Rex Graham Reserve is a 2.8-hectare (6.9-acre) biological Site of Special Scientific Interest east of Mildenhall in Suffolk. It is a Special Area of Conservation, and part of the Breckland Special Protection Area. It was formerly managed by the Suffolk Wildlife Trust.
Monewden Meadows is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest south-west of Monewden in Suffolk. It is a Nature Conservation Review site, Grade I, and it is managed by the Suffolk Wildlife Trust under the name Martins' Meadows.
Hopton Fen is a 15.3-hectare (38-acre) biological Site of Special Scientific Interest north of Hopton in Suffolk. It is managed by the Suffolk Wildlife Trust.
Blo' Norton and Thelnetham Fens are a 21.3-hectare (53-acre) biological Site of Special Scientific Interest (SSSI) on the Norfolk/Suffolk border. Blo' Norton Fen is in the parish of Blo' Norton in Norfolk and Thelnetham Fen is in Thelnetham parish in Suffolk. It is a Nature Conservation Review site, Grade 2, and part of the Waveney and Little Ouse Valley Fens Special Area of Conservation, Thelnetham Fen is managed by the Suffolk Wildlife Trust and Blo' Norton Fen by the Little Ouse Headwaters Project (LOHP).
Hoe Rough is a 12-hectare (30-acre) nature reserve north of Dereham in Norfolk. It is managed by the Norfolk Wildlife Trust, and is part of the Beetley and Hoe Meadows Site of Special Scientific Interest.
Nunn Wood is a 9.7-hectare (24-acre) biological Site of Special Scientific Interest between Great Chesterford and Ashdon in Essex.
St Neots Common is a 33.4-hectare (83-acre) biological Site of Special Scientific Interest in St Neots in Cambridgeshire.
Great Wilbraham Common is a 23.5-hectare (58-acre) biological Site of Special Scientific Interest west of Great Wilbraham in Cambridgeshire. It is managed by the Commons Right Holders.
Little Catworth Meadow is a 5.2-hectare (13-acre) biological Site of Special Scientific Interest between Catworth and Spaldwick in Cambridgeshire.
Short Wood and Southwick Wood is a 54.7-hectare (135-acre) nature reserve north-west of Oundle in Northamptonshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. Short Wood is a 25.3-hectare (63-acre) biological Site of Special Scientific Interest.
Lineage Wood & Railway Track, Long Melford is a 78.7-hectare (194-acre) biological Site of Special Scientific Interest north-east of Long Melford in Suffolk.
Trundley and Wadgell's Wood, Great Thurlow is a 79.4-hectare (196-acre) biological Site of Special Scientific Interest east of Great Thurlow in Suffolk.
Bugg's Hole Fen is a 3.7-hectare (9.1-acre) biological Site of Special Scientific Interest north-west of Thelnetham in Suffolk.
Bangrove Wood is an 18.6-hectare (46-acre) biological Site of Special Scientific Interest north of Ixworth in Suffolk, England.
Pakenham Meadows is a 5.8-hectare (14-acre) biological Site of Special Scientific Interest north of Pakenham in Suffolk.
Hay Wood, Whepstead is a 10.4-hectare (26-acre) biological Site of Special Scientific Interest west of Whepstead in Suffolk.
Holwell Mouth is a 14.5-hectare (36-acre) biological Site of Special Scientific Interest south-east of Nether Broughton in Leicestershire. It is common land.
Stonesby Quarry is a 3.2 hectares biological Site of Special Scientific Interest between Stonesby and Waltham on the Wolds in Leicestershire. It is part of a 4 hectare nature reserve managed by the Leicestershire and Rutland Wildlife Trust.
Ulverscroft Valley is a 110.8 hectares biological Site of Special Scientific Interest north-west of Markfield in Leicestershire. The site is in five separate blocks, and two areas are nature reserves managed by the Leicestershire and Rutland Wildlife Trust (LRWT). Lea Meadows is owned by the LRWT and it is also a scheduled monument. Part of Ulverscroft Nature Reserve is owned by the LRWT and part is owned by the National Trust and leased to the LRWT.
Great Cressingham Fen is a 14.3-hectare (35-acre) biological Site of Special Scientific Interest near Great Cressingham in Norfolk. It is part of the Norfolk Valley Fens Special Area of Conservation.
