List of Sites of Special Scientific Interest in Northamptonshire

Northamptonshire is a county in the East Midlands of England.^[1] It has an area of 236,700 hectares (914 sq mi)^[2] and a population estimated in mid-2016 at 733,000.^[3] The county is bordered by Warwickshire, Leicestershire, Cambridgeshire, Bedfordshire, Buckinghamshire, Oxfordshire, Rutland and Lincolnshire.^[4] It was governed by Northamptonshire County Council and seven district and borough councils, Corby, Daventry, East Northamptonshire, Kettering, Northampton, South Northamptonshire and Wellingborough^[5] but since 1 April by the unitary authorities of North Northamptonshire and West Northamptonshire. The county flower is the cowslip.^[6]

A ridge of low Jurassic hills runs through the county, separating the basins of the Welland and Nene rivers. The county has good transportation connections as it is crossed by two main railway lines and the M1 motorway, and it has many small industrial centres rather than large conurbations.^[7]

In England, Sites of Special Scientific Interest (SSSIs) are designated by Natural England, which is responsible for protecting England's natural environment. Designation as an SSSI gives legal protection to the most important wildlife and geological sites.^[8] As of July 2017^[update], there are 57 sites designated in Northamptonshire,^[9] 48 for their biological interest and 9 for their geological interest. Eight are Geological Conservation Review sites, four are Nature Conservation Review sites, and fourteen are managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. The largest is Upper Nene Valley Gravel Pits, which is a Ramsar internationally important wetland site^[10] and a Special Protection Area under the European Union Directive on the Conservation of Wild Birds.^[11] The smallest is Irchester Old Lodge Pit, which is described in the Geological Conservation Review as a Middle Jurassic site of national importance.^[12]

Key

Interest

B = a site of biological interest
G = a site of geological interest

Public access

FP = access to footpaths through the site only
NO = no public access to site
PP = public access to part of site
YES = public access to site

Other classifications

GCR = Geological Conservation Review
LNR = Local nature reserve
NCR = Nature Conservation Review
NNR = National nature reserve
Ramsar = Ramsar site, an internationally important wetland site
RHPG = Register of Historic Parks and Gardens
SPA = Special Protection Area under the European Union Directive on the Conservation of Wild Birds
WT = Woodland Trust
WTBCN = Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire

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Sites

Site name	B	G	Area^[a]	Public access	Location^[a]	Other classifications	Map^[b]	Citation^[c]	Description
Alder Wood and Meadow	Y		13.2 hectares (33 acres)^[13]	YES	Corby 52°27′11″N 0°46′08″W / 52.453°N 0.769°W / 52.453; -0.769 (Alder Wood and Meadow) SP 837 846^[13]		Map	Citation	This semi-natural ancient broadleaved wood is a surviving fragment of the medieval Royal Forest of Rockingham. It is mainly ash, and the ground flora on base rich soil includes tufted hair-grass, dog's mercury and enchanter's nightshade. The meadow is agriculturally unimproved, and it has surviving medieval ridge and furrow.^[14]
Aldwincle Marsh	Y		2.0 hectares (4.9 acres)^[15]	NO	Aldwincle 52°24′58″N 0°31′30″W / 52.416°N 0.525°W / 52.416; -0.525 (Aldwincle Marsh) TL 004 807^[15]		Map	Citation	This marsh and fen on shallow peat is formed by seepage from the boundary between clay and limestone. Plants in wet areas include blunt-flowered rush, marsh pennywort, wild angelica and Menyanthes trifoliata, a rare species of bogbean. Drier areas have grasses and herbs which attract butterflies and dragonflies. The site includes a stretch of Harpers Brook.^[16]
Ashton Wold	Y		54.0 hectares (133 acres)^[17]	YES	Oundle 52°28′30″N 0°23′38″W / 52.475°N 0.394°W / 52.475; -0.394 (Ashton Wold) TL 091 875^[17]	RHPG^[18]	Map	Citation	Ashton Wold was owned by Charles Rothschild, the founder of The Wildlife Trusts. It is ancient secondary woodland with mature oak, ash and birch trees. The thick shrub layer includes hawthorn and buckthorn.^[19]
Badby Wood	Y		47.2 hectares (117 acres)^[20]	YES	Badby 52°13′12″N 1°10′37″W / 52.220°N 1.177°W / 52.220; -1.177 (Badby Wood) SP 563 582^[20]		Map	Citation	This is ancient semi-natural woodland on acidic soils, and it has been forested for over 700 years. It is mainly pedunculate oak, with varied ground flora including creeping soft-grass, wood anemone, yellow archangel and bluebell. There is also small marsh with very diverse herbs.^[21]
Badsaddle, Withmale Park and Bush Walk Woods	Y		25.2 hectares (62 acres)^[22]	YES	Wellingborough 52°20′24″N 0°46′44″W / 52.340°N 0.779°W / 52.340; -0.779 (Badsaddle, Withmale Park and Bush Walk Woods) SP 832 720^[22]		Map	Citation	This is ancient coppice woodland with oak and ash on wet calcareous soils. Ground flora include herb paris, goldilocks buttercup and four species of orchid.^[23]
Banhaw, Spring and Blackthorn's Woods	Y		123.4 hectares (305 acres)^[24]	PP	Corby 52°28′48″N 0°34′16″W / 52.480°N 0.571°W / 52.480; -0.571 (Banhaw, Spring and Blackthorn's Woods) SP 971 878^[24]		Map	Citation	These woods are one of the largest remnants of the medieval Royal Forest of Rockingham. They are mainly ash and pedunculate oak on wet calcareous clay soils. The ground flora is diverse, and there are grasses such as tufted hair-grass, rough meadow-grass and wood melick.^[25]
Birch Spinney and Mawsley Marsh	Y		12.3 hectares (30 acres)^[26]	NO	Broughton 52°22′55″N 0°48′43″W / 52.382°N 0.812°W / 52.382; -0.812 (Birch Spinney and Mawsley Marsh) SP 809 766^[26]		Map	Citation	Birch Spinney is a rare type of ash-maple woodland partly on peat. Mawsley Marsh is described by Natural England as "one of the finest remaining Northamptonshire marshes", with flora including blunt-flowered rush, jinted rush and water horsetail. There is also a stretch of a dismantled railway line.^[27]
Blisworth Rectory Farm Quarry		Y	1.0 hectare (2.5 acres)^[28]	NO	Blisworth 52°10′16″N 0°57′14″W / 52.171°N 0.954°W / 52.171; -0.954 (Blisworth Rectory Farm Quarry) SP 716 530^[28]	GCR^[29]	Map	Citation	This site exposes White Limestone dating to the Middle Jurassic Bathonian stage, around 168 to 166 million years ago. Common fossils are brachiopods, corals and gastropods, and there are also nautiloids and vertebrate teeth.^[30]
Bosworth Mill Meadow	Y		5.7 hectares (14 acres)^[31]	YES	Welford 52°26′06″N 1°04′37″W / 52.435°N 1.077°W / 52.435; -1.077 (Bosworth Mill Meadow) SP 628 822^[31]		Map	Citation	This hay meadow is traditionally managed. The main flora are crested dog's-tail and common knapweed, with meadow foxtail and great burnet in wet areas. Springs produce seepages which are rich in mosses and sedges. Dry upper slopes are species poor.^[32]
Bozeat Meadow	Y		2.6 hectares (6.4 acres)^[33]	NO	Bozeat 52°13′19″N 0°40′55″W / 52.222°N 0.682°W / 52.222; -0.682 (Bozeat Meadow) SP 901 590^[33]		Map	Citation	This is unimproved grassland on well-drained clay and loam soils. It has medieval ridge and furrow and diverse flora, including crested dog's-tail, downy oat-grass, quaking grass and dwarf thistle. There are also mature hedgerows and a spring.^[34]
Bucknell Wood Meadows	Y		9.2 hectares (23 acres)^[35]	YES	Silverstone 52°05′56″N 1°03′54″W / 52.099°N 1.065°W / 52.099; -1.065 (Bucknell Wood Meadows) SP 641 449^[35]		Map	Citation	This site consists of agriculturally unimproved fields on seasonally waterlogged soils. The flora is diverse with many herbs, including bird's-foot-trefoil, meadow buttercup and devil's-bit scabious. Variations in the types of flora are partly due to different soils and partly to previous management practices.^[36]
Bugbrooke Meadows	Y		10.1 hectares (25 acres)^[37]	YES	Nether Heyford 52°13′23″N 1°01′05″W / 52.223°N 1.018°W / 52.223; -1.018 (Bugbrooke Meadows) SP 671 587^[37]	WTBCN^[38]	Map	Citation	These meadows on the bank of the River Nene which have not been treated with fertilisers, and they often flood in winter. They are probably unique in the county, and they have very diverse damp grassland flora such as jointed rush and greater pond sedge. There are ancient hedges which are important both historically and as a habitat for wildlife.^[39]
Bulwick Meadows	Y		1.2 hectares (3.0 acres)^[40]	PP	Bulwick 52°32′20″N 0°35′02″W / 52.539°N 0.584°W / 52.539; -0.584 (Bulwick Meadows) SP 961 943^[40]		Map	Citation	These marshy meadows are in the flood plain of the Willow Brook. There are diverse wetland flora, including rare species, and it is the only known locality in the county for the flat-sedge blysmus compressus and common bistort. It is also one of the very few sites in the county where snipe breed.^[41]
Calender Meadows	Y		3.1 hectares (7.7 acres)^[42]	NO	Guilsborough 52°22′05″N 0°59′42″W / 52.368°N 0.995°W / 52.368; -0.995 (Calender Meadows) SP 685 749^[42]		Map	Citation	This is described by Natural England as "a nationally important site for its lowland unimproved neutral grassland". It has a wide variety of native herbs and grasses. There are herbs such as lady's bedstraw, meadow vetchling and common bird's-foot trefoil, and grasses include red fescue, sweet vernal-grass and false oat-grass.^[43]
Collyweston Great Wood and Easton Hornstocks	Y		151.5 hectares (374 acres)^[44]	NO	Easton on the Hill 52°35′38″N 0°30′25″W / 52.594°N 0.507°W / 52.594; -0.507 (Collyweston Great Wood and Easton Hornstocks) TF 012 006^[44]	NCR,^[45] NNR^[46]	Map	Citation	These woods have ash, lime and sessile oak, together with wild service-trees, which is an indicator of ancient woodland. The ground flora is very rich, including locally unusual plants such as lily-of-the-valley, wood spurge, great wood-rush, violet helleborine and columbine.^[47]
Collyweston Quarries	Y		6.6 hectares (16 acres)^[48]	YES	Easton on the Hill 52°37′23″N 0°31′08″W / 52.623°N 0.519°W / 52.623; -0.519 (Collyweston Quarries) TF 003 038^[48]	WTBCN^[49]	Map	Citation	This former limestone quarry is now rough grassland on Jurassic limestone. The flora is diverse, and more than a hundred flowering plants have been recorded, including wild thyme, dropwort, dyer's greenweed and clustered bellflower. There is a substantial butterfly population.^[50]
Collyweston Slate Mine		Y	0.9 hectares (2.2 acres)^[51]	NO	Easton on the Hill 52°36′58″N 0°31′26″W / 52.616°N 0.524°W / 52.616; -0.524 (Collyweston Slate Mine) TF 000 030^[51]	GCR^[52]	Map	Citation	This slate mine was operated until 1963, quarrying Collyweston slate, which dates to the Jurassic. The shaft exposes a section described by Natural England as "stratigraphically important", and it is the type locality for the slate.^[53]
Coombe Hill Hollow	Y		4.3 hectares (11 acres)^[54]	NO	Welford 52°26′46″N 1°00′11″W / 52.446°N 1.003°W / 52.446; -1.003 (Coombe Hill Hollow) SP 678 835^[54]		Map	Citation	This steep narrow valley has neutral grassland which has never been subject to fertilisers or herbicides, and it has diverse flora. Grasses include brown bent, red fescue, Yorkshire fog and crested dog's-tail. Lime-rich areas have harebell and mouse-ear hawkweed, and there are locally important butterfly populations.^[55]
Cowthick Quarry		Y	1.4 hectares (3.5 acres)^[56]	NO	Corby 52°28′55″N 0°38′20″W / 52.482°N 0.639°W / 52.482; -0.639 (Cowthick Quarry) SP 925 879^[56]		Map	Citation	This site exposes Middle Jurassic rocks dating to 174 to 163 million years ago, and in the view of Natural England it has "the best and most instructive sections" of the period in the Midlands. A fault during the Pleistocene has caused the juxtaposition of six Jurassic formations.^[57]
Cranford St John		Y	2.8 hectares (6.9 acres)^[58]	NO	Kettering 52°22′41″N 0°38′42″W / 52.378°N 0.645°W / 52.378; -0.645 (Cranford St John) SP 923 764^[58]	GCR^[59]	Map	Citation	This former quarry exposes rocks from the Rutland Formation and up to nearly the top of the White Limestone Formation, dating to the Middle Jurassic Bathonian stage, 168 to 166 million years ago. The site is the type section for a freshwater clay bed which is thought to result from a widespread storm deposit.^[60]
Dungee Corner Meadow	Y		5.1 hectares (13 acres)^[61]	NO	Bozeat 52°13′52″N 0°38′35″W / 52.231°N 0.643°W / 52.231; -0.643 (Dungee Corner Meadow) SP 927 600^[61]		Map	Citation	This well-drained hay meadow on boulder clay is traditionally managed, and no artificial fertilisers or herbicides have been used, so it has a diverse flora. More than twenty grass species have been recorded, including sweet vernal, Yorkshire fog, sheep's fescue, quaking grass and crested dog's-tail. There is also a population of the locally rare green-winged orchid.^[62]
Everdon Stubbs	Y		29.5 hectares (73 acres)^[63]	YES	Farthingstone 52°12′18″N 1°06′54″W / 52.205°N 1.115°W / 52.205; -1.115 (Everdon Stubbs) SP 605 566^[63]	WT^[64]	Map	Citation	This woodland site has areas of acidic free-draining soil, and other damper areas. It is described by Natural England as an important site for fungi, and there is a diverse range of breeding birds. There are locally uncommon plants such as wild daffodil, orpine and bitter vetch.^[65]
Finedon Top Lodge Quarry		Y	0.9 hectares (2.2 acres)^[66]	FP	Finedon 52°19′12″N 0°38′31″W / 52.320°N 0.642°W / 52.320; -0.642 (Finedon Top Lodge Quarry) SP 926 699^[66]	GCR^[67]	Map	Citation	This site shows a complete section dating to the Rutland Formation of the Bathonian stage of the Middle Jurassic, 168 to 166 million years ago. It is the type section for the Wellingborough Member, and contains fossils of oysters and Rhynchonellida.^[68]
Geddington Chase	Y		39.1 hectares (97 acres)^[69]	NO	Corby 52°27′11″N 0°40′12″W / 52.453°N 0.670°W / 52.453; -0.670 (Geddington Chase) SP 904 847^[69]		Map	Citation	Geddington Chase is a surviving fragment of the medieval Royal Forest of Rockingham. Most of the Chase is commercially managed, and the SSSI is an area of semi-natural wet ash-maple woodland on Midland boulder clay. The ground flora is diverse, with plants including bluebell, dog's mercury, tufted hair-grass, and a few wild daffodils.^[70]
Glapthorn Cow Pasture	Y		28.2 hectares (70 acres)^[71]	YES	Oundle 52°30′14″N 0°31′30″W / 52.504°N 0.525°W / 52.504; -0.525 (Glapthorn Cow Pasture) TL 002 905^[71]	WTBCN^[72]	Map	Citation	This site has ash-maple woodland, and dense blackthorn scrub. It is described by Natural England as one of the most important sites in Britain for the black hairstreak butterfly, which requires a habitat of prunus species such as blackthorn. The scrub also provides nesting sites for nightingales.^[73]
Hardwick Lodge Meadow	Y		10.0 hectares (25 acres)^[74]	YES	Wellingborough 52°19′26″N 0°46′37″W / 52.324°N 0.777°W / 52.324; -0.777 (Hardwick Lodge Meadow) SP 834 702^[74]		Map	Citation	This unimproved grassland on boulder clay has a rich variety of flora, including many rare in the county. Crested hair-grass and salad burnet are found in drier parts, and a marshy area next to a stream has common spotted-orchid and the only population in Northamptonshire of heath spotted-orchid.^[75]
Helmdon Disused Railway	Y		16.6 hectares (41 acres)^[76]	YES	Brackley 52°04′01″N 1°08′35″W / 52.067°N 1.143°W / 52.067; -1.143 (Helmdon Disused Railway) SP 588 412^[76]		Map	Citation	This is Jurassic grassland, and it also has limestone spoil heaps have a very diverse floral community. Butterflies include the nationally scarce wood white and five nationally declining species. It is the only location in the county for the small blue butterfly.^[77]
High Wood and Meadow	Y		16.5 hectares (41 acres)^[78]	YES	Daventry 52°11′17″N 1°08′10″W / 52.188°N 1.136°W / 52.188; -1.136 (High Wood and Meadow) SP 591 547^[78]	WTBCN^[79]	Map	Citation	The wood is ancient and semi-natural on acid soils. It has diverse ground flora, including yellow pimpernel, hairy wood-rush and broad-leaved helleborine. The meadow is acid grassland of a type which is now uncommon, and there are also areas of neutral grassland and marsh on silty peat. There are many ant hills of the yellow meadow ant.^[80]
Irchester Old Lodge Pit		Y	0.4 hectares (0.99 acres)^[81]	NO	Irchester 52°16′30″N 0°39′40″W / 52.275°N 0.661°W / 52.275; -0.661 (Irchester Old Lodge Pit) SP 914 649^[81]	GCR^[82]	Map	Citation	This is described by Natural England as "a key Middle Jurassic locality important for the information it yields on both Bathonian environments and stratigraphy", 168 to 166 million years ago. It exposes White Limestone which has many fossils, especially molluscs.^[12]
King's Cliffe Banks	Y		7.7 hectares (19 acres)^[83]	YES	King's Cliffe 52°33′50″N 0°30′18″W / 52.564°N 0.505°W / 52.564; -0.505 (King's Cliffe Banks) TL 014 972^[83]		Map	Citation	This former quarry has undulating calcareous grassland which is grazed by rabbits and cattle. It has a rich variety of flora, including sheep's fescue, dwarf thistle, mouse-ear hawkweed, wild thyme and common rock-rose. There are many bryophytes and lichens.^[84]
Mantles Heath	Y		13.7 hectares (34 acres)^[85]	YES	Daventry 52°11′31″N 1°07′37″W / 52.192°N 1.127°W / 52.192; -1.127 (Mantles Heath) SP 597 552^[85]		Map	Citation	Most of this woodland site is on acid soil, but the western part is on calcareous and poorly drained clay, and has a diverse flora. Locally uncommon plants include wood vetch, opposite-leaved golden-saxifrage and slender St John's wort.^[86]
Mill Crook	Y		5.9 hectares (15 acres)^[87]	YES	Towcester 52°06′36″N 0°52′19″W / 52.110°N 0.872°W / 52.110; -0.872 (Mill Crook) SP 773 463^[87]	WTBCN^[88]	Map	Citation	Signs of medieval ridge and furrow still survive on this traditionally managed hay meadow on the bank of the River Tove. It has diverse flora, with grasses such as meadow foxtail and sweet vernal-grass, and herbs including great burnet and ribwort plantain.^[88]^[89]
Old Sulehay Forest	Y		34.8 hectares (86 acres)^[90]	YES	King's Cliffe 52°34′26″N 0°26′02″W / 52.574°N 0.434°W / 52.574; -0.434 (Old Sulehay Forest) TL 062 985^[90]	WTBCN^[91]	Map	Citation	This ancient forest has a number of different soil conditions and coppice types, and the ground flora is diverse. Abundant herbs include dog's mercury, bracken, bramble, ramsons, wood anemone and bluebells.^[92]
Pipewell Woods	Y		85.3 hectares (211 acres)^[93]	YES	Corby 52°28′01″N 0°46′30″W / 52.467°N 0.775°W / 52.467; -0.775 (Pipewell Woods) SP 833 861^[93]	NCR^[94]	Map	Citation	The woods are an example of wet ash-maple woodland, some parts in a nationally rare form. It has diverse flora including the locally rare giant bellflower, herb paris and wood speedwell. Open grassy areas provide additional habitats for birds and insects.^[95]
Pitsford Reservoir	Y		413.1 hectares (1,021 acres)^[96]	YES	Brixworth 52°19′26″N 0°52′01″W / 52.324°N 0.867°W / 52.324; -0.867 (Pitsford Reservoir) SP 773 701^[96]	WTBCN^[97]	Map	Citation	This is the largest body of water in the county, and is used by wintering wildfowl, including the northern shoveler in nationally important numbers. Over 60 species of birds breed on the site, such as the great crested grebe, little grebe, teal, kingfisher and reed warbler.^[97]^[98]
Plumpton Pasture	Y		3.6 hectares (8.9 acres)^[99]	NO	Towcester 52°07′41″N 1°07′59″W / 52.128°N 1.133°W / 52.128; -1.133 (Plumpton Pasture) SP 594 480^[99]		Map	Citation	There are medieval ridge and furrows on this unimproved meadow on clay. The drier ridge tops have many herbs, while the damp furrows are dominated by creeping bent and Yorkshire fog grasses. There are also mature hedges and a small pond.^[100]
Racecourse Farm Fields	Y		5.0 hectares (12 acres)^[101]	NO	Easton on the Hill 52°37′34″N 0°29′53″W / 52.626°N 0.498°W / 52.626; -0.498 (Racecourse Farm Fields) TF 017 042^[101]		Map	Citation	This former quarry is grassland on Jurassic limestone. The flora is diverse, with over thirty flowering plant species in each square metre. There are several locally rare plants, such as dodder, autumn gentian, clustered bellflower and small scabious. The sward is kept short by grazing by sheep and cattle.^[102]
Ramsden Corner Plantation	Y		3.2 hectares (7.9 acres)^[103]	YES	Northampton 52°12′11″N 1°05′20″W / 52.203°N 1.089°W / 52.203; -1.089 (Ramsden Corner Plantation) SP 623 564^[103]	WTBCN^[104]	Map	Citation	A stream runs through this valley site, which also has acidic grassland, woodland and scrub on clay and sand. Plants such as wood millet, wood-sorrel and wood vetch are indicators of ancient woodland. Opposite-leaved golden-saxifrage is found on wet slopes.^[105]
River Ise and Meadows	Y		13.5 hectares (33 acres)^[106]	PP	Geddington 52°26′17″N 0°43′08″W / 52.438°N 0.719°W / 52.438; -0.719 (River Ise and Meadows) SP 871 830^[106]	WTBCN^[107]	Map	Citation	The river is described by Natural England as "the best example in the county of a lowland river on clay, fed by base-rich water". The banks have tall fen, woodland and grassland, and there is also a species rich flood meadow. The river has many bends and loops, with silty pools and gravel shoals. The invertebrates are diverse, and there is a population of the nationally declining freshwater crayfish Austropotamobius pallipes.^[108]
Roade Cutting		Y	15.2 hectares (38 acres)^[109]	NO	Roade 52°09′58″N 0°54′22″W / 52.166°N 0.906°W / 52.166; -0.906 (Roade Cutting) SP 749 525^[109]	GCR^[110]	Map	Citation	The cutting exposes rocks dating to the Middle Jurassic Bathonian stage, between 168 and 166 million years ago. It is described by Natural England as important for reconstructing the environment of deposition during the period, and correlating the White Limestone Formation in Oxfordshire with that of the East Midlands.^[111]
Salcey Forest	Y		159.6 hectares (394 acres)^[112]	YES	Hartwell 52°09′07″N 0°49′05″W / 52.152°N 0.818°W / 52.152; -0.818 (Salcey Forest) SP 809 510^[112]		Map	Citation	This large forest has many mature oak trees. The diverse ground flora includes bluebells, false brome, pendulous sedge and enchanter's nightshade. There are many breeding birds and nationally notable moth species.^[113]
Short Wood	Y		25.3 hectares (63 acres)^[114]	YES	Oundle 52°30′40″N 0°30′18″W / 52.511°N 0.505°W / 52.511; -0.505 (Short Wood) TL 015 913^[114]	WTBCN^[115]	Map	Citation	Short Wood is a small remnant of the medieval royal hunting Royal Forest of Rockingham. It is ancient semi-natural woodland with the dominant trees being ash and pedunculate oak. Flora include several local rarities such as wood speedwell, bird's nest orchid and greater butterfly orchid.^[116]
Southfield Farm Marsh	Y		8.6 hectares (21 acres)^[117]	PP	Kettering 52°22′26″N 0°42′07″W / 52.374°N 0.702°W / 52.374; -0.702 (Southfield Farm Marsh) SP 884 758^[117]	WTBCN^[118]	Map	Citation	This wetland site has tall plants such as lesser pond-sedge and slender tufted-sedge, which provides cover for reed buntings and sedge warblers. Mammals include otters, and there are birds such as red kites and buzzards. Purple loosestrife is found in grassland areas.^[118]
Stoke and Bowd Lane Woods	Y		36.4 hectares (90 acres)^[119]	PP	Corby 52°28′12″N 0°49′12″W / 52.470°N 0.820°W / 52.470; -0.820 (Stoke and Bowd Lane Woods) SP 802 864^[119]	WTBCN^[120]	Map	Citation	These ancient semi-natural woods were formerly part of the medieval Royal Forest of Rockingham. The main tree species is pedunculate oak, with other species such as ash and birch. Ground flora include herb paris, wood sorrel, yellow archangel, early-purple orchid and greater butterfly-orchid.^[121]
Sudborough Green Lodge Meadows	Y		13.6 hectares (34 acres)^[122]	NO	Sudborough 52°26′49″N 0°34′23″W / 52.447°N 0.573°W / 52.447; -0.573 (Sudborough Green Lodge Meadows) SP 970 841^[122]	NCR^[123]	Map	Citation	This site consists of two hay meadows, one of which is agriculturally unimproved and has large areas of medieval ridge and furrow. An experiment in trying to create attractive grasslands in the other field has potential for scientific research. Ponds, scrub, willow trees, hedgerows and wild pear trees add to the ecological value.^[123]
Syresham Marshy Meadows	Y		17.8 hectares (44 acres)^[124]	PP	Silverstone 52°04′41″N 1°04′01″W / 52.078°N 1.067°W / 52.078; -1.067 (Syresham Marshy Meadows) SP 640 425^[124]		Map	Citation	This site consists of two nearby areas of wetland in valleys which drain into the River Great Ouse. The northern one is a mire on shallow peat, and the southern one is agriculturally unimproved grassland and marsh on diverse soils, which has over a hundred flowering plant species.^[125]
Thrapston Station Quarry		Y	4.5 hectares (11 acres)^[126]	NO	Thrapston 52°23′17″N 0°31′59″W / 52.388°N 0.533°W / 52.388; -0.533 (Thrapston Station Quarry) SP 999 776^[126]	GCR^[127]	Map	Citation	This site has the most important remaining Middle Jurassic Cornbrash geological section in the Midlands. It is the type site for the Bathonian Blisworth Clay section, dating to 168 to 166 million years ago, and it has the only complete exposure of this section. Diagnostic ammonites have helped to date the site, which has also yielded important Bryozoan fossils.^[128]^[129]
Titchmarsh Meadow	Y		2.2 hectares (5.4 acres)^[130]	NO	Titchmarsh 52°24′18″N 0°29′13″W / 52.405°N 0.487°W / 52.405; -0.487 (Titchmarsh Meadow) TL 030 796^[130]		Map	Citation	This poorly drained field has a rich variety of plant species, including greater bird's-foot-trefoil, southern marsh-orchid and pepper saxifrage. A medieval fish pond, which has been drained, has marsh vegetation. Hedges, streams and ditches provide a valuable habitat for invertebrates and small mammals.^[131]
Twywell Gullet	Y		17.1 hectares (42 acres)^[132]	PP	Kettering 52°23′17″N 0°36′50″W / 52.388°N 0.614°W / 52.388; -0.614 (Twywell Gullet) SP 944 775^[132]	WTBCN^[133]	Map	Citation	Twywell Gullet is a former ironstone quarry which has deep cuttings with steeply sloping banks. It has species-rich limestone grassland on the slopes and ponds and scrub in the bottoms. There are a number of uncommon ground nesting bees and wasps, and beetles include the nationally rare ruddy darter.^[134]
Upper Cherwell at Trafford House		Y	18.6 hectares (46 acres)^[135]	YES	Eydon 52°08′06″N 1°13′44″W / 52.135°N 1.229°W / 52.135; -1.229 (Upper Cherwell At Trafford House) SP 528 488^[135]	GCR^[136]	Map	Citation	This site is at the confluence of the River Cherwell and Eydon Brook. They are underfit streams, which have channels which are small for the size of their valleys. According to Natural England, the site has played an important role in the development of the theory of underfit streams. Deposits in a paleochannel could enable reconstruction of the environmental history.^[137]
Upper Nene Valley Gravel Pits	Y		1,382.4 hectares (3,416 acres)^[138]	PP	Rushden 52°18′50″N 0°38′20″W / 52.314°N 0.639°W / 52.314; -0.639 (Upper Nene Valley Gravel Pits) SP 928 693^[138]	LNR,^[139]^[140] Ramsar,^[10] SPA,^[11] WTBCN^[138]^[141]^[142]	Map	Citation	This site is described by Natural England as "a nationally important site for its breeding bird assemblage of lowland open waters and their margins". There are at least 21 breeding bird species, including mute swans, tufted ducks, little grebes, great crested grebes, little ringed plovers and redshanks.^[143]
Wadenhoe Marsh and Achurch Meadow	Y		47.5 hectares (117 acres)^[144]	PP	Oundle 52°25′59″N 0°31′01″W / 52.433°N 0.517°W / 52.433; -0.517 (Wadenhoe Marsh and Achurch Meadow) TL 009 826^[144]		Map	Citation	This complex site on both sides of the River Nene has a variety of habitats and a diverse range of fauna and flora. The west of the river is alder woodland and marshy grassland. On the east there is the largest example in the county of unimproved grassland on alluvium and gravel, with over 100 flowering plant species. An oxbow in the river is a site for rare plants.^[145]
Wakerley Spinney	Y		4.4 hectares (11 acres)^[146]	NO	King's Cliffe 52°34′37″N 0°34′37″W / 52.577°N 0.577°W / 52.577; -0.577 (Wakerley Spinney) SP 965 986^[146]		Map	Citation	This is a remnant of the medieval Royal Forest of Rockingham, and it has broadleaved woodland and semi-natural grassland. The most common trees are pedunculate oak, ash, sycamore and downy birch. Locally uncommon flowering plants include woodruff, violet helleborine and fly orchid.^[147]
Weldon Park	Y		51.7 hectares (128 acres)^[148]	NO	Weldon 52°30′00″N 0°36′25″W / 52.500°N 0.607°W / 52.500; -0.607 (Weldon Park) SP 946 900^[148]		Map	Citation	This ancient woodland is mainly ash trees, maple and hazel. It has diverse flora, especially on grassland rides, and unusual plants on the wettest soils. Insects include the uncommon purple emperor butterfly.^[149]
Whittlewood Forest	Y		400.1 hectares (989 acres)^[150]	PP	Silverstone 52°04′52″N 0°56′56″W / 52.081°N 0.949°W / 52.081; -0.949 (Whittlewood Forest) SP 721 430^[150]	NCR^[94]	Map	Citation	This is ancient semi-natural woodlands with many trees which are mature or over-mature, especially pedunculate oaks. There are also many ash trees and a scattering of silver birches and aspens. The oaks have nationally rare and nationally uncommon beetles, and there are locally rare lichens.^[151]
Wollaston Meadows	Y		14.3 hectares (35 acres)^[152]	NO	Wellingborough 52°16′26″N 0°41′10″W / 52.274°N 0.686°W / 52.274; -0.686 (Wollaston Meadows) SP 897 648^[152]		Map	Citation	This site on the banks of the River Nene is composed of two species-rich hay fields. Flora include meadow foxtail, crested dog's-tail and red fescue. Overgrown hedges and ditches provide habitats for birds, small mammals and invertebrates.^[153]
Yardley Chase	Y		357.6 hectares (884 acres)^[154]	PP	Yardley Hastings 52°10′52″N 0°45′47″W / 52.181°N 0.763°W / 52.181; -0.763 (Yardley Chase) SP 846 543^[154]		Map	Citation	The Chase has diverse semi-natural habitats, and its value for invertebrates has been enhanced by military use of the site, which has resulted in a long absence of intensive agriculture. There is woodland and unimproved grassland, and 30 breeding butterfly species have been recorded.^[155]

Site name

Photograph

Area^[a]

Public
access

Location^[a]

Other
classifications

Map^[b]

Citation^[c]

Description

Alder Wood and Meadow

13.2 hectares
(33 acres)^[13]

YES

Corby
52°27′11″N 0°46′08″W / 52.453°N 0.769°W / 52.453; -0.769 (Alder Wood and Meadow)
SP 837 846^[13]

Map

Citation

This semi-natural ancient broadleaved wood is a surviving fragment of the medieval Royal Forest of Rockingham. It is mainly ash, and the ground flora on base rich soil includes tufted hair-grass, dog's mercury and enchanter's nightshade. The meadow is agriculturally unimproved, and it has surviving medieval ridge and furrow.^[14]

Aldwincle Marsh

2.0 hectares
(4.9 acres)^[15]

Aldwincle
52°24′58″N 0°31′30″W / 52.416°N 0.525°W / 52.416; -0.525 (Aldwincle Marsh)
TL 004 807^[15]

Map

Citation

This marsh and fen on shallow peat is formed by seepage from the boundary between clay and limestone. Plants in wet areas include blunt-flowered rush, marsh pennywort, wild angelica and Menyanthes trifoliata, a rare species of bogbean. Drier areas have grasses and herbs which attract butterflies and dragonflies. The site includes a stretch of Harpers Brook.^[16]

Ashton Wold

54.0 hectares
(133 acres)^[17]

YES

Oundle
52°28′30″N 0°23′38″W / 52.475°N 0.394°W / 52.475; -0.394 (Ashton Wold)
TL 091 875^[17]

RHPG^[18]

Map

Citation

Ashton Wold was owned by Charles Rothschild, the founder of The Wildlife Trusts. It is ancient secondary woodland with mature oak, ash and birch trees. The thick shrub layer includes hawthorn and buckthorn.^[19]

Badby Wood

47.2 hectares
(117 acres)^[20]

YES

Badby
52°13′12″N 1°10′37″W / 52.220°N 1.177°W / 52.220; -1.177 (Badby Wood)
SP 563 582^[20]

Map

Citation

This is ancient semi-natural woodland on acidic soils, and it has been forested for over 700 years. It is mainly pedunculate oak, with varied ground flora including creeping soft-grass, wood anemone, yellow archangel and bluebell. There is also small marsh with very diverse herbs.^[21]

Badsaddle, Withmale Park and Bush Walk Woods

25.2 hectares
(62 acres)^[22]

YES

Wellingborough
52°20′24″N 0°46′44″W / 52.340°N 0.779°W / 52.340; -0.779 (Badsaddle, Withmale Park and Bush Walk Woods)
SP 832 720^[22]

Map

Citation

This is ancient coppice woodland with oak and ash on wet calcareous soils. Ground flora include herb paris, goldilocks buttercup and four species of orchid.^[23]

Banhaw, Spring and Blackthorn's Woods

123.4 hectares
(305 acres)^[24]

Corby
52°28′48″N 0°34′16″W / 52.480°N 0.571°W / 52.480; -0.571 (Banhaw, Spring and Blackthorn's Woods)
SP 971 878^[24]

Map

Citation

These woods are one of the largest remnants of the medieval Royal Forest of Rockingham. They are mainly ash and pedunculate oak on wet calcareous clay soils. The ground flora is diverse, and there are grasses such as tufted hair-grass, rough meadow-grass and wood melick.^[25]

Birch Spinney and Mawsley Marsh

12.3 hectares
(30 acres)^[26]

Broughton
52°22′55″N 0°48′43″W / 52.382°N 0.812°W / 52.382; -0.812 (Birch Spinney and Mawsley Marsh)
SP 809 766^[26]

Map

Citation

Birch Spinney is a rare type of ash-maple woodland partly on peat. Mawsley Marsh is described by Natural England as "one of the finest remaining Northamptonshire marshes", with flora including blunt-flowered rush, jinted rush and water horsetail. There is also a stretch of a dismantled railway line.^[27]

Blisworth Rectory Farm Quarry

1.0 hectare
(2.5 acres)^[28]

Blisworth
52°10′16″N 0°57′14″W / 52.171°N 0.954°W / 52.171; -0.954 (Blisworth Rectory Farm Quarry)
SP 716 530^[28]

GCR^[29]

Map

Citation

This site exposes White Limestone dating to the Middle Jurassic Bathonian stage, around 168 to 166 million years ago. Common fossils are brachiopods, corals and gastropods, and there are also nautiloids and vertebrate teeth.^[30]

Bosworth Mill Meadow

5.7 hectares
(14 acres)^[31]

YES

Welford
52°26′06″N 1°04′37″W / 52.435°N 1.077°W / 52.435; -1.077 (Bosworth Mill Meadow)
SP 628 822^[31]

Map

Citation

This hay meadow is traditionally managed. The main flora are crested dog's-tail and common knapweed, with meadow foxtail and great burnet in wet areas. Springs produce seepages which are rich in mosses and sedges. Dry upper slopes are species poor.^[32]

Bozeat Meadow

2.6 hectares
(6.4 acres)^[33]

Bozeat
52°13′19″N 0°40′55″W / 52.222°N 0.682°W / 52.222; -0.682 (Bozeat Meadow)
SP 901 590^[33]

Map

Citation

This is unimproved grassland on well-drained clay and loam soils. It has medieval ridge and furrow and diverse flora, including crested dog's-tail, downy oat-grass, quaking grass and dwarf thistle. There are also mature hedgerows and a spring.^[34]

Bucknell Wood Meadows

9.2 hectares
(23 acres)^[35]

YES

Silverstone
52°05′56″N 1°03′54″W / 52.099°N 1.065°W / 52.099; -1.065 (Bucknell Wood Meadows)
SP 641 449^[35]

Map

Citation

This site consists of agriculturally unimproved fields on seasonally waterlogged soils. The flora is diverse with many herbs, including bird's-foot-trefoil, meadow buttercup and devil's-bit scabious. Variations in the types of flora are partly due to different soils and partly to previous management practices.^[36]

Bugbrooke Meadows

10.1 hectares
(25 acres)^[37]

YES

Nether Heyford
52°13′23″N 1°01′05″W / 52.223°N 1.018°W / 52.223; -1.018 (Bugbrooke Meadows)
SP 671 587^[37]

WTBCN^[38]

Map

Citation

These meadows on the bank of the River Nene which have not been treated with fertilisers, and they often flood in winter. They are probably unique in the county, and they have very diverse damp grassland flora such as jointed rush and greater pond sedge. There are ancient hedges which are important both historically and as a habitat for wildlife.^[39]

Bulwick Meadows

1.2 hectares
(3.0 acres)^[40]

Bulwick
52°32′20″N 0°35′02″W / 52.539°N 0.584°W / 52.539; -0.584 (Bulwick Meadows)
SP 961 943^[40]

Map

Citation

These marshy meadows are in the flood plain of the Willow Brook. There are diverse wetland flora, including rare species, and it is the only known locality in the county for the flat-sedge blysmus compressus and common bistort. It is also one of the very few sites in the county where snipe breed.^[41]

Calender Meadows

3.1 hectares
(7.7 acres)^[42]

Guilsborough
52°22′05″N 0°59′42″W / 52.368°N 0.995°W / 52.368; -0.995 (Calender Meadows)
SP 685 749^[42]

Map

Citation

This is described by Natural England as "a nationally important site for its lowland unimproved neutral grassland". It has a wide variety of native herbs and grasses. There are herbs such as lady's bedstraw, meadow vetchling and common bird's-foot trefoil, and grasses include red fescue, sweet vernal-grass and false oat-grass.^[43]

Collyweston Great Wood and Easton Hornstocks

151.5 hectares
(374 acres)^[44]

Easton on the Hill
52°35′38″N 0°30′25″W / 52.594°N 0.507°W / 52.594; -0.507 (Collyweston Great Wood and Easton Hornstocks)
TF 012 006^[44]

NCR,^[45] NNR^[46]

Map

Citation

These woods have ash, lime and sessile oak, together with wild service-trees, which is an indicator of ancient woodland. The ground flora is very rich, including locally unusual plants such as lily-of-the-valley, wood spurge, great wood-rush, violet helleborine and columbine.^[47]

Collyweston Quarries

6.6 hectares
(16 acres)^[48]

YES

Easton on the Hill
52°37′23″N 0°31′08″W / 52.623°N 0.519°W / 52.623; -0.519 (Collyweston Quarries)
TF 003 038^[48]

WTBCN^[49]

Map

Citation

This former limestone quarry is now rough grassland on Jurassic limestone. The flora is diverse, and more than a hundred flowering plants have been recorded, including wild thyme, dropwort, dyer's greenweed and clustered bellflower. There is a substantial butterfly population.^[50]

Collyweston Slate Mine

0.9 hectares
(2.2 acres)^[51]

Easton on the Hill
52°36′58″N 0°31′26″W / 52.616°N 0.524°W / 52.616; -0.524 (Collyweston Slate Mine)
TF 000 030^[51]

GCR^[52]

Map

Citation

This slate mine was operated until 1963, quarrying Collyweston slate, which dates to the Jurassic. The shaft exposes a section described by Natural England as "stratigraphically important", and it is the type locality for the slate.^[53]

Coombe Hill Hollow

4.3 hectares
(11 acres)^[54]

Welford
52°26′46″N 1°00′11″W / 52.446°N 1.003°W / 52.446; -1.003 (Coombe Hill Hollow)
SP 678 835^[54]

Map

Citation

This steep narrow valley has neutral grassland which has never been subject to fertilisers or herbicides, and it has diverse flora. Grasses include brown bent, red fescue, Yorkshire fog and crested dog's-tail. Lime-rich areas have harebell and mouse-ear hawkweed, and there are locally important butterfly populations.^[55]

Cowthick Quarry

1.4 hectares
(3.5 acres)^[56]

Corby
52°28′55″N 0°38′20″W / 52.482°N 0.639°W / 52.482; -0.639 (Cowthick Quarry)
SP 925 879^[56]

Map

Citation

This site exposes Middle Jurassic rocks dating to 174 to 163 million years ago, and in the view of Natural England it has "the best and most instructive sections" of the period in the Midlands. A fault during the Pleistocene has caused the juxtaposition of six Jurassic formations.^[57]

Cranford St John

2.8 hectares
(6.9 acres)^[58]

Kettering
52°22′41″N 0°38′42″W / 52.378°N 0.645°W / 52.378; -0.645 (Cranford St John)
SP 923 764^[58]

GCR^[59]

Map

Citation

This former quarry exposes rocks from the Rutland Formation and up to nearly the top of the White Limestone Formation, dating to the Middle Jurassic Bathonian stage, 168 to 166 million years ago. The site is the type section for a freshwater clay bed which is thought to result from a widespread storm deposit.^[60]

Dungee Corner Meadow

5.1 hectares
(13 acres)^[61]

Bozeat
52°13′52″N 0°38′35″W / 52.231°N 0.643°W / 52.231; -0.643 (Dungee Corner Meadow)
SP 927 600^[61]

Map

Citation

This well-drained hay meadow on boulder clay is traditionally managed, and no artificial fertilisers or herbicides have been used, so it has a diverse flora. More than twenty grass species have been recorded, including sweet vernal, Yorkshire fog, sheep's fescue, quaking grass and crested dog's-tail. There is also a population of the locally rare green-winged orchid.^[62]

Everdon Stubbs

29.5 hectares
(73 acres)^[63]

YES

Farthingstone
52°12′18″N 1°06′54″W / 52.205°N 1.115°W / 52.205; -1.115 (Everdon Stubbs)
SP 605 566^[63]

WT^[64]

Map

Citation

This woodland site has areas of acidic free-draining soil, and other damper areas. It is described by Natural England as an important site for fungi, and there is a diverse range of breeding birds. There are locally uncommon plants such as wild daffodil, orpine and bitter vetch.^[65]

Finedon Top Lodge Quarry

0.9 hectares
(2.2 acres)^[66]

Finedon
52°19′12″N 0°38′31″W / 52.320°N 0.642°W / 52.320; -0.642 (Finedon Top Lodge Quarry)
SP 926 699^[66]

GCR^[67]

Map

Citation

This site shows a complete section dating to the Rutland Formation of the Bathonian stage of the Middle Jurassic, 168 to 166 million years ago. It is the type section for the Wellingborough Member, and contains fossils of oysters and Rhynchonellida.^[68]

Geddington Chase

39.1 hectares
(97 acres)^[69]

Corby
52°27′11″N 0°40′12″W / 52.453°N 0.670°W / 52.453; -0.670 (Geddington Chase)
SP 904 847^[69]

Map

Citation

Geddington Chase is a surviving fragment of the medieval Royal Forest of Rockingham. Most of the Chase is commercially managed, and the SSSI is an area of semi-natural wet ash-maple woodland on Midland boulder clay. The ground flora is diverse, with plants including bluebell, dog's mercury, tufted hair-grass, and a few wild daffodils.^[70]

Glapthorn Cow Pasture

28.2 hectares
(70 acres)^[71]

YES

Oundle
52°30′14″N 0°31′30″W / 52.504°N 0.525°W / 52.504; -0.525 (Glapthorn Cow Pasture)
TL 002 905^[71]

WTBCN^[72]

Map

Citation

This site has ash-maple woodland, and dense blackthorn scrub. It is described by Natural England as one of the most important sites in Britain for the black hairstreak butterfly, which requires a habitat of prunus species such as blackthorn. The scrub also provides nesting sites for nightingales.^[73]

Hardwick Lodge Meadow

10.0 hectares
(25 acres)^[74]

YES

Wellingborough
52°19′26″N 0°46′37″W / 52.324°N 0.777°W / 52.324; -0.777 (Hardwick Lodge Meadow)
SP 834 702^[74]

Map

Citation

This unimproved grassland on boulder clay has a rich variety of flora, including many rare in the county. Crested hair-grass and salad burnet are found in drier parts, and a marshy area next to a stream has common spotted-orchid and the only population in Northamptonshire of heath spotted-orchid.^[75]

Helmdon Disused Railway

16.6 hectares
(41 acres)^[76]

YES

Brackley
52°04′01″N 1°08′35″W / 52.067°N 1.143°W / 52.067; -1.143 (Helmdon Disused Railway)
SP 588 412^[76]

Map

Citation

This is Jurassic grassland, and it also has limestone spoil heaps have a very diverse floral community. Butterflies include the nationally scarce wood white and five nationally declining species. It is the only location in the county for the small blue butterfly.^[77]

High Wood and Meadow

16.5 hectares
(41 acres)^[78]

YES

Daventry
52°11′17″N 1°08′10″W / 52.188°N 1.136°W / 52.188; -1.136 (High Wood and Meadow)
SP 591 547^[78]

WTBCN^[79]

Map

Citation

The wood is ancient and semi-natural on acid soils. It has diverse ground flora, including yellow pimpernel, hairy wood-rush and broad-leaved helleborine. The meadow is acid grassland of a type which is now uncommon, and there are also areas of neutral grassland and marsh on silty peat. There are many ant hills of the yellow meadow ant.^[80]

Irchester Old Lodge Pit

0.4 hectares
(0.99 acres)^[81]

Irchester
52°16′30″N 0°39′40″W / 52.275°N 0.661°W / 52.275; -0.661 (Irchester Old Lodge Pit)
SP 914 649^[81]

GCR^[82]

Map

Citation

This is described by Natural England as "a key Middle Jurassic locality important for the information it yields on both Bathonian environments and stratigraphy", 168 to 166 million years ago. It exposes White Limestone which has many fossils, especially molluscs.^[12]

King's Cliffe Banks

7.7 hectares
(19 acres)^[83]

YES

King's Cliffe
52°33′50″N 0°30′18″W / 52.564°N 0.505°W / 52.564; -0.505 (King's Cliffe Banks)
TL 014 972^[83]

Map

Citation

This former quarry has undulating calcareous grassland which is grazed by rabbits and cattle. It has a rich variety of flora, including sheep's fescue, dwarf thistle, mouse-ear hawkweed, wild thyme and common rock-rose. There are many bryophytes and lichens.^[84]

Mantles Heath

13.7 hectares
(34 acres)^[85]

YES

Daventry
52°11′31″N 1°07′37″W / 52.192°N 1.127°W / 52.192; -1.127 (Mantles Heath)
SP 597 552^[85]

Map

Citation

Most of this woodland site is on acid soil, but the western part is on calcareous and poorly drained clay, and has a diverse flora. Locally uncommon plants include wood vetch, opposite-leaved golden-saxifrage and slender St John's wort.^[86]

Mill Crook

5.9 hectares
(15 acres)^[87]

YES

Towcester
52°06′36″N 0°52′19″W / 52.110°N 0.872°W / 52.110; -0.872 (Mill Crook)
SP 773 463^[87]

WTBCN^[88]

Map

Citation

Signs of medieval ridge and furrow still survive on this traditionally managed hay meadow on the bank of the River Tove. It has diverse flora, with grasses such as meadow foxtail and sweet vernal-grass, and herbs including great burnet and ribwort plantain.^[88]^[89]

Old Sulehay Forest

34.8 hectares
(86 acres)^[90]

YES

King's Cliffe
52°34′26″N 0°26′02″W / 52.574°N 0.434°W / 52.574; -0.434 (Old Sulehay Forest)
TL 062 985^[90]

WTBCN^[91]

Map

Citation

This ancient forest has a number of different soil conditions and coppice types, and the ground flora is diverse. Abundant herbs include dog's mercury, bracken, bramble, ramsons, wood anemone and bluebells.^[92]

Pipewell Woods

85.3 hectares
(211 acres)^[93]

YES

Corby
52°28′01″N 0°46′30″W / 52.467°N 0.775°W / 52.467; -0.775 (Pipewell Woods)
SP 833 861^[93]

NCR^[94]

Map

Citation

The woods are an example of wet ash-maple woodland, some parts in a nationally rare form. It has diverse flora including the locally rare giant bellflower, herb paris and wood speedwell. Open grassy areas provide additional habitats for birds and insects.^[95]

Pitsford Reservoir

413.1 hectares
(1,021 acres)^[96]

YES

Brixworth
52°19′26″N 0°52′01″W / 52.324°N 0.867°W / 52.324; -0.867 (Pitsford Reservoir)
SP 773 701^[96]

WTBCN^[97]

Map

Citation

This is the largest body of water in the county, and is used by wintering wildfowl, including the northern shoveler in nationally important numbers. Over 60 species of birds breed on the site, such as the great crested grebe, little grebe, teal, kingfisher and reed warbler.^[97]^[98]

Plumpton Pasture

3.6 hectares
(8.9 acres)^[99]

Towcester
52°07′41″N 1°07′59″W / 52.128°N 1.133°W / 52.128; -1.133 (Plumpton Pasture)
SP 594 480^[99]

Map

Citation

There are medieval ridge and furrows on this unimproved meadow on clay. The drier ridge tops have many herbs, while the damp furrows are dominated by creeping bent and Yorkshire fog grasses. There are also mature hedges and a small pond.^[100]

Racecourse Farm Fields

5.0 hectares
(12 acres)^[101]

Easton on the Hill
52°37′34″N 0°29′53″W / 52.626°N 0.498°W / 52.626; -0.498 (Racecourse Farm Fields)
TF 017 042^[101]

Map

Citation

This former quarry is grassland on Jurassic limestone. The flora is diverse, with over thirty flowering plant species in each square metre. There are several locally rare plants, such as dodder, autumn gentian, clustered bellflower and small scabious. The sward is kept short by grazing by sheep and cattle.^[102]

Ramsden Corner Plantation

3.2 hectares
(7.9 acres)^[103]

YES

Northampton
52°12′11″N 1°05′20″W / 52.203°N 1.089°W / 52.203; -1.089 (Ramsden Corner Plantation)
SP 623 564^[103]

WTBCN^[104]

Map

Citation

A stream runs through this valley site, which also has acidic grassland, woodland and scrub on clay and sand. Plants such as wood millet, wood-sorrel and wood vetch are indicators of ancient woodland. Opposite-leaved golden-saxifrage is found on wet slopes.^[105]

River Ise and Meadows

13.5 hectares
(33 acres)^[106]

Geddington
52°26′17″N 0°43′08″W / 52.438°N 0.719°W / 52.438; -0.719 (River Ise and Meadows)
SP 871 830^[106]

WTBCN^[107]

Map

Citation

The river is described by Natural England as "the best example in the county of a lowland river on clay, fed by base-rich water". The banks have tall fen, woodland and grassland, and there is also a species rich flood meadow. The river has many bends and loops, with silty pools and gravel shoals. The invertebrates are diverse, and there is a population of the nationally declining freshwater crayfish Austropotamobius pallipes.^[108]

Roade Cutting

15.2 hectares
(38 acres)^[109]

Roade
52°09′58″N 0°54′22″W / 52.166°N 0.906°W / 52.166; -0.906 (Roade Cutting)
SP 749 525^[109]

GCR^[110]

Map

Citation

The cutting exposes rocks dating to the Middle Jurassic Bathonian stage, between 168 and 166 million years ago. It is described by Natural England as important for reconstructing the environment of deposition during the period, and correlating the White Limestone Formation in Oxfordshire with that of the East Midlands.^[111]

Salcey Forest

159.6 hectares
(394 acres)^[112]

YES

Hartwell
52°09′07″N 0°49′05″W / 52.152°N 0.818°W / 52.152; -0.818 (Salcey Forest)
SP 809 510^[112]

Map

Citation

This large forest has many mature oak trees. The diverse ground flora includes bluebells, false brome, pendulous sedge and enchanter's nightshade. There are many breeding birds and nationally notable moth species.^[113]

Short Wood

25.3 hectares
(63 acres)^[114]

YES

Oundle
52°30′40″N 0°30′18″W / 52.511°N 0.505°W / 52.511; -0.505 (Short Wood)
TL 015 913^[114]

WTBCN^[115]

Map

Citation

Short Wood is a small remnant of the medieval royal hunting Royal Forest of Rockingham. It is ancient semi-natural woodland with the dominant trees being ash and pedunculate oak. Flora include several local rarities such as wood speedwell, bird's nest orchid and greater butterfly orchid.^[116]

Southfield Farm Marsh

8.6 hectares
(21 acres)^[117]

Kettering
52°22′26″N 0°42′07″W / 52.374°N 0.702°W / 52.374; -0.702 (Southfield Farm Marsh)
SP 884 758^[117]

WTBCN^[118]

Map

Citation

This wetland site has tall plants such as lesser pond-sedge and slender tufted-sedge, which provides cover for reed buntings and sedge warblers. Mammals include otters, and there are birds such as red kites and buzzards. Purple loosestrife is found in grassland areas.^[118]

Stoke and Bowd Lane Woods

36.4 hectares
(90 acres)^[119]

Corby
52°28′12″N 0°49′12″W / 52.470°N 0.820°W / 52.470; -0.820 (Stoke and Bowd Lane Woods)
SP 802 864^[119]

WTBCN^[120]

Map

Citation

These ancient semi-natural woods were formerly part of the medieval Royal Forest of Rockingham. The main tree species is pedunculate oak, with other species such as ash and birch. Ground flora include herb paris, wood sorrel, yellow archangel, early-purple orchid and greater butterfly-orchid.^[121]

Sudborough Green Lodge Meadows

13.6 hectares
(34 acres)^[122]

Sudborough
52°26′49″N 0°34′23″W / 52.447°N 0.573°W / 52.447; -0.573 (Sudborough Green Lodge Meadows)
SP 970 841^[122]

NCR^[123]

Map

Citation

This site consists of two hay meadows, one of which is agriculturally unimproved and has large areas of medieval ridge and furrow. An experiment in trying to create attractive grasslands in the other field has potential for scientific research. Ponds, scrub, willow trees, hedgerows and wild pear trees add to the ecological value.^[123]

Syresham Marshy Meadows

17.8 hectares
(44 acres)^[124]

Silverstone
52°04′41″N 1°04′01″W / 52.078°N 1.067°W / 52.078; -1.067 (Syresham Marshy Meadows)
SP 640 425^[124]

Map

Citation

This site consists of two nearby areas of wetland in valleys which drain into the River Great Ouse. The northern one is a mire on shallow peat, and the southern one is agriculturally unimproved grassland and marsh on diverse soils, which has over a hundred flowering plant species.^[125]

Thrapston Station Quarry

4.5 hectares
(11 acres)^[126]

Thrapston
52°23′17″N 0°31′59″W / 52.388°N 0.533°W / 52.388; -0.533 (Thrapston Station Quarry)
SP 999 776^[126]

GCR^[127]

Map

Citation

This site has the most important remaining Middle Jurassic Cornbrash geological section in the Midlands. It is the type site for the Bathonian Blisworth Clay section, dating to 168 to 166 million years ago, and it has the only complete exposure of this section. Diagnostic ammonites have helped to date the site, which has also yielded important Bryozoan fossils.^[128]^[129]

Titchmarsh Meadow

2.2 hectares
(5.4 acres)^[130]

Titchmarsh
52°24′18″N 0°29′13″W / 52.405°N 0.487°W / 52.405; -0.487 (Titchmarsh Meadow)
TL 030 796^[130]

Map

Citation

This poorly drained field has a rich variety of plant species, including greater bird's-foot-trefoil, southern marsh-orchid and pepper saxifrage. A medieval fish pond, which has been drained, has marsh vegetation. Hedges, streams and ditches provide a valuable habitat for invertebrates and small mammals.^[131]

Twywell Gullet

17.1 hectares
(42 acres)^[132]

Kettering
52°23′17″N 0°36′50″W / 52.388°N 0.614°W / 52.388; -0.614 (Twywell Gullet)
SP 944 775^[132]

WTBCN^[133]

Map

Citation

Twywell Gullet is a former ironstone quarry which has deep cuttings with steeply sloping banks. It has species-rich limestone grassland on the slopes and ponds and scrub in the bottoms. There are a number of uncommon ground nesting bees and wasps, and beetles include the nationally rare ruddy darter.^[134]

Upper Cherwell at Trafford House

18.6 hectares
(46 acres)^[135]

YES

Eydon
52°08′06″N 1°13′44″W / 52.135°N 1.229°W / 52.135; -1.229 (Upper Cherwell At Trafford House)
SP 528 488^[135]

GCR^[136]

Map

Citation

This site is at the confluence of the River Cherwell and Eydon Brook. They are underfit streams, which have channels which are small for the size of their valleys. According to Natural England, the site has played an important role in the development of the theory of underfit streams. Deposits in a paleochannel could enable reconstruction of the environmental history.^[137]

Upper Nene Valley Gravel Pits

1,382.4 hectares
(3,416 acres)^[138]

Rushden
52°18′50″N 0°38′20″W / 52.314°N 0.639°W / 52.314; -0.639 (Upper Nene Valley Gravel Pits)
SP 928 693^[138]

LNR,^[139]^[140] Ramsar,^[10] SPA,^[11] WTBCN^[138]^[141]^[142]

Map

Citation

This site is described by Natural England as "a nationally important site for its breeding bird assemblage of lowland open waters and their margins". There are at least 21 breeding bird species, including mute swans, tufted ducks, little grebes, great crested grebes, little ringed plovers and redshanks.^[143]

Wadenhoe Marsh and Achurch Meadow

47.5 hectares
(117 acres)^[144]

Oundle
52°25′59″N 0°31′01″W / 52.433°N 0.517°W / 52.433; -0.517 (Wadenhoe Marsh and Achurch Meadow)
TL 009 826^[144]

Map

Citation

This complex site on both sides of the River Nene has a variety of habitats and a diverse range of fauna and flora. The west of the river is alder woodland and marshy grassland. On the east there is the largest example in the county of unimproved grassland on alluvium and gravel, with over 100 flowering plant species. An oxbow in the river is a site for rare plants.^[145]

Wakerley Spinney

4.4 hectares
(11 acres)^[146]

King's Cliffe
52°34′37″N 0°34′37″W / 52.577°N 0.577°W / 52.577; -0.577 (Wakerley Spinney)
SP 965 986^[146]

Map

Citation

This is a remnant of the medieval Royal Forest of Rockingham, and it has broadleaved woodland and semi-natural grassland. The most common trees are pedunculate oak, ash, sycamore and downy birch. Locally uncommon flowering plants include woodruff, violet helleborine and fly orchid.^[147]

Weldon Park

51.7 hectares
(128 acres)^[148]

Weldon
52°30′00″N 0°36′25″W / 52.500°N 0.607°W / 52.500; -0.607 (Weldon Park)
SP 946 900^[148]

Map

Citation

This ancient woodland is mainly ash trees, maple and hazel. It has diverse flora, especially on grassland rides, and unusual plants on the wettest soils. Insects include the uncommon purple emperor butterfly.^[149]

Whittlewood Forest

400.1 hectares
(989 acres)^[150]

Silverstone
52°04′52″N 0°56′56″W / 52.081°N 0.949°W / 52.081; -0.949 (Whittlewood Forest)
SP 721 430^[150]

NCR^[94]

Map

Citation

This is ancient semi-natural woodlands with many trees which are mature or over-mature, especially pedunculate oaks. There are also many ash trees and a scattering of silver birches and aspens. The oaks have nationally rare and nationally uncommon beetles, and there are locally rare lichens.^[151]

Wollaston Meadows

14.3 hectares
(35 acres)^[152]

Wellingborough
52°16′26″N 0°41′10″W / 52.274°N 0.686°W / 52.274; -0.686 (Wollaston Meadows)
SP 897 648^[152]

Map

Citation

This site on the banks of the River Nene is composed of two species-rich hay fields. Flora include meadow foxtail, crested dog's-tail and red fescue. Overgrown hedges and ditches provide habitats for birds, small mammals and invertebrates.^[153]

Yardley Chase

357.6 hectares
(884 acres)^[154]

Yardley Hastings
52°10′52″N 0°45′47″W / 52.181°N 0.763°W / 52.181; -0.763 (Yardley Chase)
SP 846 543^[154]

Map

Citation

The Chase has diverse semi-natural habitats, and its value for invertebrates has been enhanced by military use of the site, which has resulted in a long absence of intensive agriculture. There is woodland and unimproved grassland, and 30 breeding butterfly species have been recorded.^[155]

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^ "Short Wood citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 4 March 2016. Retrieved 23 April 2017.
^ ^a ^b "Designated Sites View: Southfield Farm Marsh". Sites of Special Scientific Interest. Natural England. Archived from the original on 18 April 2017. Retrieved 17 April 2017.
^ ^a ^b "Southfield Farm Marsh". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Archived from the original on 9 April 2016. Retrieved 19 December 2016.
^ ^a ^b "Designated Sites View: Stoke and Bowd Lane Woods". Sites of Special Scientific Interest. Natural England. Archived from the original on 8 February 2017. Retrieved 7 February 2017.
^ "Stoke Wood End Quarter". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Archived from the original on 13 March 2016. Retrieved 19 December 2016.
^ "Stoke and Bowd Lane Woods citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 4 March 2016. Retrieved 7 February 2017.
^ ^a ^b "Designated Sites View: Sudborough Green Lodge Meadows". Sites of Special Scientific Interest. Natural England. Archived from the original on 20 February 2017. Retrieved 19 February 2017.
^ ^a ^b "Sudborough Green Lodge Meadows citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 20 February 2017. Retrieved 19 February 2017.
^ ^a ^b "Designated Sites View: Syresham Marshy Meadows". Sites of Special Scientific Interest. Natural England. Archived from the original on 11 April 2017. Retrieved 11 April 2017.
^ "Syresham Marshy Meadows citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 12 April 2017. Retrieved 11 April 2017.
^ ^a ^b "Designated Sites View: Thrapston Station Quarry". Sites of Special Scientific Interest. Natural England. Archived from the original on 22 February 2017. Retrieved 20 February 2017.
^ "Thrapston (Bathonian)". Joint Nature Conservation Committee. Archived from the original on 20 December 2016. Retrieved 18 December 2016.
^ "Thrapston Station Quarry citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 22 February 2017. Retrieved 20 February 2017.
^ "Blisworth Clay Formation". The BGS Lexicon of Named Rock Units — Result Details. British Geological Survey. Archived from the original on 20 August 2017. Retrieved 20 August 2017.
^ ^a ^b "Designated Sites View: Titchmarsh Meadow". Sites of Special Scientific Interest. Natural England. Archived from the original on 22 February 2017. Retrieved 21 February 2017.
^ "Titchmarsh Meadow citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 22 February 2017. Retrieved 21 February 2017.
^ ^a ^b "Designated Sites View: Twywell Gullet". Sites of Special Scientific Interest. Natural England. Archived from the original on 20 August 2017. Retrieved 17 April 2017.
^ "Twywell Hills and Dales". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Archived from the original on 20 December 2016. Retrieved 19 December 2016.
^ "Twywell Gullet citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 4 March 2016. Retrieved 17 April 2017.
^ ^a ^b "Designated Sites View: Upper Cherwell at Trafford House". Sites of Special Scientific Interest. Natural England. Archived from the original on 12 April 2017. Retrieved 11 April 2017.
^ "Upper Cherwell at Trafford House (Fluvial Geomorphology of England)". Joint Nature Conservation Committee. Archived from the original on 20 December 2016. Retrieved 18 December 2016.
^ "Upper Cherwell at Trafford House citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 27 April 2012. Retrieved 11 April 2017.
^ ^a ^b ^c "Designated Sites View: Upper Nene Valley Gravel Pits". Sites of Special Scientific Interest. Natural England. Archived from the original on 10 May 2017. Retrieved 20 December 2016.
^ "Kinewell Lake". Local Nature Reserves. Natural England. 25 March 2013. Archived from the original on 22 December 2016. Retrieved 17 April 2017.
^ "Summer Leys". Local Nature Reserves. Natural England. 25 March 2013. Archived from the original on 19 December 2013. Retrieved 22 December 2016.
^ "Summer Leys". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Archived from the original on 20 November 2016. Retrieved 19 December 2016.
^ "Titchmarsh". Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Archived from the original on 24 February 2017. Retrieved 21 December 2016.
^ "Upper Nene Valley Gravel Pits citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 4 March 2016. Retrieved 20 December 2016.
^ ^a ^b "Designated Sites View: Wadenhoe Marsh and Achurch Meadow". Sites of Special Scientific Interest. Natural England. Archived from the original on 22 February 2017. Retrieved 21 February 2017.
^ "Wadenhoe Marsh and Achurch Meadow citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 22 February 2017. Retrieved 21 February 2017.
^ ^a ^b "Designated Sites View: Wakerley Spinney". Sites of Special Scientific Interest. Natural England. Archived from the original on 5 April 2017. Retrieved 4 April 2017.
^ "Wakerley Spinney citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 5 April 2017. Retrieved 4 April 2017.
^ ^a ^b "Designated Sites View: Weldon Park". Sites of Special Scientific Interest. Natural England. Archived from the original on 20 August 2017. Retrieved 19 December 2016.
^ "Weldon Park citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 3 March 2016. Retrieved 19 December 2016.
^ ^a ^b "Designated Sites View: Whittlewood Forest". Sites of Special Scientific Interest. Natural England. Archived from the original on 20 August 2017. Retrieved 11 April 2017.
^ "Whittlewood Forest citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 13 March 2014. Retrieved 11 April 2017.
^ ^a ^b "Designated Sites View: Wollaston Meadows". Sites of Special Scientific Interest. Natural England. Archived from the original on 28 March 2017. Retrieved 27 March 2017.
^ "Wollaston Meadows citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 28 March 2017. Retrieved 27 March 2017.
^ ^a ^b "Designated Sites View: Yardley Chase". Sites of Special Scientific Interest. Natural England. Archived from the original on 20 August 2017. Retrieved 20 December 2016.
^ "Yardley Chase citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived (PDF) from the original on 4 March 2016. Retrieved 30 June 2016.

v t e SSSIs in the United Kingdom, grouped by Area of Search
England	Avon Bedfordshire Berkshire Buckinghamshire Cambridgeshire Cheshire Cleveland Cornwall County Durham Cumbria Derbyshire Devon Dorset East Riding of Yorkshire East Sussex Essex Gloucestershire Greater London Greater Manchester Hampshire Herefordshire Hertfordshire Isle of Wight Kent Lancashire Leicestershire Lincolnshire Merseyside Norfolk North Yorkshire Northamptonshire Northumberland Nottinghamshire Oxfordshire Rutland Shropshire Somerset South Yorkshire Staffordshire Suffolk Surrey Tyne and Wear Warwickshire West Midlands West Sussex West Yorkshire Wiltshire Worcestershire
Scotland	Angus and Dundee Annandale and Eskdale Badenoch and Strathspey Banff and Buchan Berwickshire and Roxburgh Caithness Clydesdale and South East Glasgow Cumnock and Kyle Dumbarton and North Glasgow Dunfermline and Kirkcaldy East Perth East Ross and Cromarty Edinburgh and West Lothian Falkirk and Clackmannan Gordon and Aberdeen Inverness Islay and Jura Kincardine and Deeside Kintyre Lorne Mid and East Lothian Mid Argyll and Cowal Moray and Nairn Mull, Coll and Tiree Nithsdale North East Fife North Lochaber North West Sutherland North Wester Ross and Cromarty Orkney Renfrew and Cunninghame Rum and the Small Isles Shetland Skye and Lochalsh South East Sutherland South Lochaber South Perth South Wester Ross and Cromarty Stirling Tweeddale and Ettrick and Lauderdale West Perth Western Isles North Western Isles South Wigtown and Stewartry
Wales	Brecknock Carmarthen & Dinefwr Ceredigion Clwyd East Gwynedd Gwent Mid & South Glamorgan Montgomery Preseli & South Pembrokeshire Radnor West Glamorgan West Gwynedd
Northern Ireland	County Antrim County Armagh County Down County Fermanagh County Londonderry County Tyrone

List of Sites of Special Scientific Interest in Northamptonshire

Key

Interest

Public access

Other classifications

Sites

See also

Notes

References

Sources

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