Ebblake Bog is a 11.3-hectare (28-acre) biological Site of Special Scientific Interest in Dorset and Hampshire, located west of Ringwood. It is part of Dorset Heathlands Ramsar site and Special Protection Area, and of Dorset Heaths Special Area of Conservation,
Mottisfont Bats is a 196.7-hectare (486-acre) biological Site of Special Scientific Interest west of Winchester in Hampshire. It is also a Special Area of Conservation.
Bourley and Long Valley is a 823.5-hectare (2,035-acre) biological Site of Special Scientific Interest between Fleet and Aldershot in Hampshire. It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds.
Totternhoe Chalk Quarry is a 13.4-hectare (33-acre) biological Site of Special Scientific Interest in Totternhoe in Bedfordshire. Part of it lies in Totternhoe nature reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. The site is part of the Chilterns Area of Outstanding Natural Beauty.
Ketton Quarries is a 115.6-hectare (286-acre) biological and geological Site of Special Scientific Interest east of Ketton in Rutland. It is a Geological Conservation Review site, and an area of 27.5 hectares is managed by the Leicestershire and Rutland Wildlife Trust.
Totternhoe nature reserve is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire (WTBCN). The 31-hectare (77-acre) site is in Totternhoe in Bedfordshire, and it includes parts of three Sites of Special Scientific Interest (SSSIs). Totternhoe Knolls is a biological SSSI owned by Central Bedfordshire Council and leased to the National Trust. Most of it is managed jointly by the National Trust and the WTBCN, excluding Totternhoe Castle, the earthworks of a Norman motte-and-bailey castle which is part of the SSSI but not of WTBCN's nature reserve. Totternhoe nature reserve also includes the geological SSSI, Totternhoe Stone Pit, which is not open to the public, and other areas owned by WTBCN, including part of Totternhoe Chalk Quarry, another biological SSSI.
Aston Clinton Ragpits is a 2.9-hectare (7.2-acre) biological Site of Special Scientific Interest in Aston Clinton in Buckinghamshire. It is a former chalk quarry, which is now a nature reserve managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is in the Chilterns Area of Outstanding Natural Beauty.
Helmdon Disused Railway is a 16.6-hectare (41-acre) linear biological Site of Special Scientific Interest between Helmdon and Brackley in Northamptonshire.
Larkey Valley Wood is a 44.1-hectare (109-acre) biological Site of Special Scientific Interest south of Canterbury in Kent. It is also a Local Nature Reserve and it is owned and managed by Canterbury City Council.
Westerham Mines is a 25.4-hectare (63-acre) biological Site of Special Scientific Interest south of Westerham in Kent.
Butter Wood is a 133-hectare (330-acre) biological Site of Special Scientific Interest (SSSI) east of Basingstoke in Hampshire. Part of Up Nately LNR, which is designated a Local Nature Reserve, is in the SSSI.
Crab Wood is a 73-hectare (180-acre) biological Site of Special Scientific Interest west of Winchester in Hampshire. An area of 37.8 hectares is also a Local Nature Reserve.
Greywell Fen is a 38-hectare (94-acre) biological Site of Special Scientific Interest in Greywell in Hampshire. It is a Nature Conservation Review site, Grade 2, and an area of 13 hectares is a nature reserve called Greywell Moors, which is managed by the Hampshire and Isle of Wight Wildlife Trust.
Porton Down SSSI is a 1,559-hectare (3,850-acre) biological Site of Special Scientific Interest which spans the border between Hampshire and Wiltshire in England. It is adjacent to Porton Down science park near Porton, and much of it is Ministry of Defence property which is closed to the public. It is a Nature Conservation Review site, Grade I, a Special Area of Conservation and a Special Protection Area.
Quarley Hill Fort is a 3.5-hectare (8.6-acre) biological Site of Special Scientific Interest west of Grateley in Hampshire.
Warnborough Green is a 4.4-hectare (11-acre) biological Site of Special Scientific Interest in North Warnborough in Hampshire. It is owned and managed by the Hampshire and Isle of Wight Wildlife Trust.
Sugworth is a 0.6-hectare (1.5-acre) geological Site of Special Scientific Interest north of Abingdon-on-Thames in Oxfordshire. It is a Geological Conservation Review site.
Whitfield Valley is a local nature reserve on the northern fringe of Stoke-on-Trent, England.
