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.
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.
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.
Ockham and Wisley Commons is a 266-hectare (660-acre) biological Site of Special Scientific Interest east of Woking in Surrey. It is also a Local Nature Reserve and part of the Thames Basin Heaths Special Protection Area. It is part of the slightly larger area of 297-hectare (730-acre) Wisley & Ockham Commons & Chatley Heath nature reserve, which is owned by Surrey County Council and 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.
Oak Hill Wood is a 10-hectare Local Nature Reserve (LNR) and a Site of Borough Importance for Nature Conservation Grade I, in East Barnet, London. It is owned by the London Borough of Barnet, and part of it is a 5.5-hectare nature reserve managed by the London Wildlife Trust.
Pewley Down is a 9.5-hectare (23-acre) Local Nature Reserve on the southern outskirts of Guildford in Surrey, adjacent to Pewley Hill. It is owned and managed by Guildford Borough Council. The site is on a hill offering views south to St Martha's Hill, Chantry Wood, and beyond.
Blindley Heath SSSI is a 26.3-hectare (65-acre) biological Site of Special Scientific Interest in the hamlet Blindley Heath, on the southern outskirts of Godstone in Surrey. It is also a Local Nature Reserve. It is owned by Godstone Parish Council and managed by the Surrey Wildlife Trust
Thursley, Hankley and Frensham Commons is a 1,878.5-hectare (4,642-acre) biological Site of Special Scientific Interest west of Godalming in Surrey. Thursley and Hankley Commons are Nature Conservation Review sites, Grade I. An area of 115.1 hectares is a local nature reserve called The Flashes and an area of 180 hectares is the Elstead Group of Commons, a nature reserve managed by the Surrey Wildlife Trust. Thursley Common is a national nature reserve. An area of 265.7 hectares is the Thursley & Ockley Bogs Ramsar site. The site is a Special Protection Area and part of the Thursley, Ash, Pirbright & Chobham Special Area of Conservation.
Bisley and West End Commons is a 37.2-hectare (92-acre) Local Nature Reserve west of Woking in Surrey. It is part of the 46-hectare (110-acre) Bisley & West End Commons and Reidon Hill nature reserve, which is owned by Surrey County Council and managed by Surrey Wildlife Trust. The site is also part of the Colony Bog and Bagshot Heath Site of Special Scientific Interest, the Thursley, Ash, Pirbright & Chobham Special Area of Conservation and the Thames Basin Heaths Special Protection Area,
Brentmoor Heath is a 28.6-hectare (71-acre) Local Nature Reserve east of Camberley in Surrey. It is part of Brentmoor Heath and Folly Bog nature reserve, the ownership of which is divided between the Ministry of Defence, Surrey County Council and Surrey Heath Borough Council, and is managed by Surrey Wildlife Trust. The site is also part of Colony Bog and Bagshot Heath site of Special Scientific Interest, Thursley, Ash, Pirbright & Chobham Special Area of Conservation and Thames Basin Heaths Special Protection Area.
Chinthurst Hill is a 17.2-hectare (43-acre) Local Nature Reserve south of Guildford in Surrey. It is owned by Surrey County Council and managed by Surrey Wildlife Trust. Chinthurst Hill Tower is a Grade II Scheduled Monument.
Nore Hill Pinnacle is a 0.2-hectare (0.49-acre) local nature reserve east of Warlingham in Surrey, England. It is owned by the Earl Compton Estate and was formerly managed by the Surrey Wildlife Trust, but as of 2018 is not listed on the Trust's website.
Riverside Walk is a 21.2-hectare (52-acre) local nature reserve in Virginia Water, Surrey. It is owned by Runnymede Borough Council and managed by The Cabrera Trust Committee.
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.
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.
Glory Wood and Devil's Den is a 13-hectare (32-acre) nature reserve south-east of Dorking in Surrey. It is owned by Mole Valley District Council, and was managed by the Surrey Wildlife Trust until 1 April 2019. There is a bowl barrow dating to the Late Neolithic or Bronze Age in Glory Wood.
Nower Wood is a 33-hectare (81-acre) nature reserve south-west of Leatherhead in Surrey. It is owned and managed by Surrey Wildlife Trust.
