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.
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.
Burner's Heath and Swallows Pond is a 5-hectare (12-acre) nature reserve in Pirbright in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Underdown is a 1-hectare (2.5-acre) nature reserve in Farnham in Surrey. It is owned and managed by the Surrey Wildlife Trust.
Kitchen Copse is a 7-hectare (17-acre) nature reserve north of Bletchingley in Surrey. It is managed by the Surrey Wildlife Trust.
Rodborough Common is a 62.2-hectare (154-acre) Local Nature Reserve west of Milford in Surrey. It is owned by Surrey County Council and managed by Surrey Wildlife Trust.
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
Broadstreet, Backside and Rydes Commons is a 158-hectare (390-acre) nature reserve in Wood Street Village in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Chitty's Common is a 5-hectare (12-acre) nature reserve in Guildford in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Crooksbury Hill is a 17.2-hectare (43-acre) nature reserve within Puttenham and Crooksbury Commons east of Farnham in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust. Soldier's Ring on the north side of the hill is a Scheduled Monument. It is a hillfort dating to the late Bronze Age or early Iron Age.
Deepdene Terrace is a 4-hectare (9.9-acre) nature reserve south-east of Dorking in Surrey. It is owned by Mole Valley District Council and managed by the Surrey Wildlife Trust.
Nower Wood is a 33-hectare (82-acre) nature reserve south-west of Leatherhead in Surrey. It is managed by the Surrey Wildlife Trust.
Runfold Wood is a 12-hectare (30-acre) nature reserve east of Farnham in Surrey. It is managed by the Surrey Wildlife Trust.
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.
Middlebriars Wood is a 1-hectare (2.5-acre) nature reserve in Hurtmore, west of Farncombe in Surrey. It is managed by the Surrey Wildlife Trust.
Manor Farm is a 25-hectare (62-acre) nature reserve in Byfleet in Surrey. It is owned and managed by the Surrey Wildlife Trust.
Colekitchen Down is a 3-hectare (7.4-acre) nature reserve north of Gomshall in Surrey. It is managed by the Surrey Wildlife Trust.
