Brampton Meadow is a one hectare biological Site of Special Scientific Interest north-west of Brampton in Cambridgeshire, England.
Chettisham Meadow is a 0.7-hectare (1.7-acre) biological Site of Special Scientific Interest west of Chettisham, 3 km (2 mi) north of Ely in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Fulbourn Fen is a 27.3-hectare (67-acre) biological Site of Special Scientific Interest east of Fulbourn, Cambridgeshire. It is privately owned and managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Houghton Meadows is a 4.7-hectare (12-acre) biological Site of Special Scientific Interest (SSSI) between Houghton and St Ives in Cambridgeshire. The SSSI covers three meadows south of Thicket Road; they are part of the 8-hectare (20-acre) Houghton Meadows nature reserve, which is owned and managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire, and which also includes Browns Meadow to the south.
Upwood Meadows is a 6 hectare biological Site of Special Scientific Interest west of Upwood in Cambridgeshire. It is also a National Nature Reserve and a Grade I Nature Conservation Review site. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Soham Wet Horse Fen is a 33.8-hectare (84-acre) biological Site of Special Scientific Interest east of Soham in Cambridgeshire. A 3.6-hectare (8.9-acre) field in the north-west corner is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire as Soham Meadow.
Southorpe Meadow is a 2 hectares biological Site of Special Scientific Interest in Southorpe in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Thriplow Meadows is a 3.5-hectare (8.6-acre) biological Site of Special Scientific Interest in Thriplow in Cambridgeshire.
Furze Hill is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest in three nearby areas east of Hildersham in Cambridgeshire.
Dernford Fen is a 10.3-hectare (25-acre) biological Site of Special Scientific Interest north-west of Sawston in Cambridgeshire.
Hemingford Grey Meadow is a 0.7-hectare (1.7-acre) biological Site of Special Scientific Interest south of Hemingford Grey in Cambridgeshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire as Arthur's Meadow.
Caldecote Meadows is a 9.1-hectare (22-acre) biological Site of Special Scientific Interest in Caldecote in Cambridgeshire.
Snailwell Meadows is a 14.8-hectare (37-acre) biological Site of Special Scientific Interest in Snailwell in Cambridgeshire.
Chippenham Fen and Snailwell Poor's Fen is a 155.9-hectare (385-acre) biological Site of Special Scientific Interest south-east of Fordham in Cambridgeshire, England. It is a Nature Conservation Review site, Grade I, a Ramsar wetland site and a Special Area of Conservation. It is managed by Natural England.
Ely Pits and Meadows is an 85.8-hectare (212-acre) Site of Special Scientific Interest (SSSI) on the eastern outskirts of Ely in Cambridgeshire. It is the only SSSI in the county which is designated both for its biological and geological interest. It is also a Geological Conservation Review site, and an area of 8 hectares is the Roswell Pits nature reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Mill Crook is a 5.9-hectare (15-acre) biological Site of Special Scientific Interest east of Towcester in Northamptonshire. Mill Crook and Grafton Regis Meadow are a 7.9-hectare (20-acre) nature reserve managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Little Catworth Meadow is a 5.2-hectare (13-acre) biological Site of Special Scientific Interest between Catworth and Spaldwick in Cambridgeshire.
River Ise and Meadows is a 13.5-hectare (33-acre) biological Site of Special Scientific Interest along the River Ise in Northamptonshire between Geddington and the Kettering to Corby railway line east of Rushton.
