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.
Ash to Brookwood Heaths is a 1,576.3-hectare (3,895-acre) biological Site of Special Scientific Interest west of Guildford in Surrey. 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. An area of 1,392 hectares is managed as a nature reserve by the Surrey Wildlife Trust.
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
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.
Hackhurst and White Downs is a 185.1-hectare (457-acre) biological Site of Special Scientific Interest west of Dorking in Surrey. White Downs is a Nature Conservation Review site, Grade 2, and part of it is in the 200-hectare (490-acre) White Downs nature reserve, which is owned by the Wotton Estate and managed by the Surrey Wildlife Trust (SWT). Hackhurst Downs is a 29.9-hectare (74-acre) Local Nature Reserve, which part of the 40-hectare (99-acre) Hackhurst Downs nature reserve, which is owned by Surrey County Council and also managed by the SWT.
Hedgecourt is a 33.6-hectare (83-acre) biological Site of Special Scientific Interest west of Felbridge in Surrey. An area of 5-hectare (12-acre) 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.
Quarry Hangers is a 28.5-hectare (70-acre) biological Site of Special Scientific Interest south-west of Caterham in Surrey. An area of 11 hectares is a nature reserve managed by the Surrey Wildlife Trust.
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.
Thorpe Hay Meadow is a 6.4-hectare (16-acre) biological Site of Special Scientific Interest west of Staines-upon-Thames in Surrey. It is owned 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.
Whitmoor Common is a 166-hectare (410-acre) biological Site of Special Scientific Interest on the northern outskirts of Guildford in Surrey. It is part of the Thames Basin Heaths Special Protection Area and the 184.9-hectare (457-acre) Whitmoor and Rickford Commons Local Nature Reserve, which is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Papercourt Marshes is a 10-hectare (25-acre) nature reserve in the south-east of the borough of Woking in Surrey. It is managed by the Surrey Wildlife Trust. A roughly 50 hectares lake and associated surrounds, including the marshes totalling 20.0 hectares is designated a biological Site of Special Scientific Interest as Papercourt.
Ash Ranges is a 1,392-hectare (3,440-acre) nature reserve west of Pirbright in Surrey. It is owned by the Ministry of Defence and managed by the Surrey Wildlife Trust. It is part of the Thames Basin Heaths Special Protection Area and the Ash to Brookwood Heaths Site of Special Scientific Interest
Bay Pond is a 7-hectare (17-acre) nature reserve in Godstone in Surrey. It is managed by the Surrey Wildlife Trust. It is part of Godstone Ponds 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.
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
