Surrey Wildlife Trust (SWT) was founded in 1959 as Surrey Naturalists' Trust and it is one of forty-six wildlife trusts covering Great Britain, Northern Ireland, Isle of Man and Alderney. SWT carries out conservation activities on a considerable area of Surrey County Council's large countryside estate and also manages land on behalf of the Ministry of Defence estate. As of 2022 the SWT manages more than 6,000 hectares of land for wildlife and employs more than 100 staff. It had an income of £5.1 million and expenditure of £5.7 million.
Chiddingfold Forest is a 542.5-hectare (1,341-acre) biological Site of Special Scientific Interest in Chiddingfold in Surrey and West Sussex. One part of it, Fir Tree Copse, is a nature reserve which is managed by the Surrey Wildlife Trust
Colyers Hanger is a 26.6-hectare (66-acre) biological Site of Special Scientific Interest south-east of Guildford in Surrey. It is a Nature Conservation Review site, Grade 2 and is part of St Martha's Hill and Colyer's Hanger nature reserve, which is managed by the Surrey Wildlife Trust.
Combe Bottom is a 42.1-hectare (104-acre) biological Site of Special Scientific Interest north of Shere in Surrey. It is designated a Local Nature Reserve called Shere Woodlands, and is managed by the Surrey Wildlife Trust.
Mole Gap to Reigate Escarpment is a 1,016.4-hectare (2,512-acre) biological and geological Site of Special Scientific Interest west of Reigate in Surrey. It is a Geological Conservation Review site and a Special Area of Conservation. Part of it is a Nature Conservation Review site, Grade I. Two small private nature reserves in the site are managed by the Surrey Wildlife Trust, Dawcombe and Fraser Down.
Seale Chalk Pit is a 1.2-hectare (3.0-acre) geological Site of Special Scientific Interest west of Guildford in Surrey. It is a Geological Conservation Review site and part of the Seale Chalk Pit and Meadow 3-hectare (7.4-acre) private nature reserve, which is managed by the Surrey Wildlife Trust.
Sheepleas is a 99.9-hectare (247-acre) biological and geological Site of Special Scientific Interest east of Guildford in Surrey. It is a Geological Conservation Review site and a Local Nature Reserve. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Vann Lake and Ockley Woods is a 57.8-hectare (143-acre) biological Site of Special Scientific Interest south of Ockley in Surrey. Vann Lake is part of Vann Lake and Candy's Copse, a nature reserve managed by the Surrey Wildlife Trust.
Pamber Forest and Silchester Common is a 341.7-hectare (844-acre) biological Site of Special Scientific Interest in Tadley in Hampshire. Pamber Forest and Upper Inhams Copse is managed by the Hampshire and Isle of Wight Wildlife Trust. Upper Inhams Copse was purchased by the Trust in 2001 and added to Pamber Forest.
Kitchen Copse is a 7-hectare (17-acre) nature reserve north of Bletchingley in Surrey. It is managed by the Surrey Wildlife Trust.
Fames Rough is a 23-hectare (57-acre) nature reserve south-west of Chipstead in Surrey. It is managed by the Surrey Wildlife Trust and is part of the Chipstead Downs Site of Special Scientific Interest.
Shabden Park is a 103-hectare (250-acre) nature reserve in Chipstead in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust and is part of the Chipstead Downs Site of Special Scientific Interest.
Thundry Meadows is a 16-hectare (40-acre) nature reserve in Elstead in Surrey. It is managed by the Surrey Wildlife Trust. Part of it is Charleshill Site of Special Scientific Interest.
Charleshill SSSI is a 10.1-hectare (25-acre) biological Site of Special Scientific Interest west of Elstead in Surrey. It is part of Thundry Meadows nature reserve, which is owned and managed by the Surrey Wildlife Trust
Gracious Pond is a 14-hectare (35-acre) nature reserve in Chobham in Surrey. It is managed by the Surrey Wildlife Trust. It is part of Chobham Common Site of Special Scientific Interest.
