Otmoor or Ot Moor is an area of wetland and wet grassland in Oxfordshire, England, located halfway between Oxford and Bicester. It is about 60 metres (200 ft) above sea level, and has an area of nearly 400 hectares.
Camp Down is a 7.3-hectare (18-acre) biological Site of Special Scientific Interest in Wiltshire in South West England. It was designated as such in 1965.
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.
Colony Bog and Bagshot Heath is a 1,130.5-hectare (2,794-acre) biological Site of Special Scientific Interest between Camberley and Woking in Surrey, England. Part of it is a Nature Conservation Review site, Grade I. It is part of the Thames Basin Heaths Special Protection Area and the Thursley, Ash, Pirbright and Chobham Special Area of Conservation. It includes Brentmoor Heath, a Local Nature Reserve which is managed by the Surrey Wildlife Trust
Glyme Valley is a 28.9-hectare (71-acre) biological Site of Special Scientific Interest east of Chipping Norton in Oxfordshire. An area of 3 hectares is a nature reserve managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust
Lye Valley is a 2.3-hectare (5.7-acre) biological Site of Special Scientific Interest in Headington, a suburb of Oxford in Oxfordshire. It is part of the 4.5-hectare (11-acre) Lye Valley Local Nature Reserve, which is owned and managed by Oxford City Council.
Frays Farm Meadows is a 28.2-hectare (70-acre) biological Site of Special Scientific Interest near Denham in the London Borough of Hillingdon. It was notified as an SSSI in 1981, and has been managed by the London Wildlife Trust on behalf of Hillingdon Council since 1999. It is part of the Colne Valley Regional Park.
Moulsford Downs is a 13.6-hectare (34-acre) biological Site of Special Scientific Interest north-west of Goring-on-Thames in Oxfordshire.
Little Hallingbury Marsh is a 4.5-hectare (11-acre) biological Site of Special Scientific Interest adjacent to the River Stort, west of Little Hallingbury in Essex. It was notified under Section 28 of the Wildlife and Countryside Act 1981, and the local planning authority is Uttlesford District Council.
Long Herdon Meadow is a 4.5-hectare (11-acre) biological Site of Special Scientific Interest south of Marsh Gibbon in Buckinghamshire. It is part of Upper Ray Meadows nature reserve, which is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Temple Island Meadows is a 14.1-hectare (35-acre) biological Site of Special Scientific Interest on the Buckinghamshire bank of the River Thames. It is north of Henley-on-Thames and opposite Temple Island, an island in the Thames.
Wendlebury Meads and Mansmoor Closes is a 73.2-hectare (181-acre) biological Site of Special Scientific Interest south of Wendlebury in Oxfordshire.
Cowden Pound Pastures is a 5.9-hectare (15-acre) biological Site of Special Scientific Interest north of Cowden in Kent. It is managed by the Kent Wildlife Trust
Swannington Upgate Common is a 20.5-hectare (51-acre) biological Site of Special Scientific Interest north-west of Norwich in Norfolk.
Chinnor Hill is a 26.8-hectare (66-acre) biological Site of Special Scientific Interest east of Chinnor in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust.
Bere Mill Meadows is a 10.3-hectare (25-acre) biological Site of Special Scientific Interest east of Whitchurch in Hampshire.
Broxhead and Kingsley Commons is a 105.1-hectare (260-acre) biological Site of Special Scientific Interest north of Lindford in Hampshire. It is part of Wealden Heaths Phase II Special Protection Area for the Conservation of Wild Birds and Broxhead Common is a 41.8-hectare (103-acre) Local Nature Reserve owned and managed by Hampshire County Council.
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.
Hazeley Heath is a 180.8-hectare (447-acre) biological Site of Special Scientific Interest west of Farnborough in Hampshire. It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds.
Lashford Lane Fen is a 7-hectare (17-acre) nature reserve north of Dry Sandford in Oxfordshire. It is managed by the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust. It is part of Cothill Fen, which is a Site of Special Scientific Interest and Special Area of Conservation.
