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.
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.
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.
Chatley Heath is part of 336 hectare reserve including Wisley Common, Ockham and parts of Hatchford. It is an area with a mixed habitats including heathland, ancient woodland and conifer woodland. On the top of Chatley heath is a tower built as part of the Royal Navy Semaphore line.
New Cross Gate Cutting or Brockley Nature Reserve is a 4.2 hectare nature reserve in Brockley in the London Borough of Lewisham. It is a Site of Metropolitan Importance for Nature Conservation managed by the London Wildlife Trust. This designated green space runs alongside the East London Line between Brockley and New Cross Gate, on the forest site that once lay on the Kent and Surrey border known as Hatcham Wood. The entrance is on Vesta Road situated between Barriedale in Brockley and Sandbourne Road, Telegraph Hill.
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.
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.
Dollypers Hill is a 12-hectare (30-acre) nature reserve south east of Coulsdon in the London Borough of Croydon. It is managed by the Surrey Wildlife Trust.
Cucknell's Wood is a 11-hectare (27-acre) nature reserve south-east of Shamley Green in Surrey. It is managed by the Surrey Wildlife Trust.
Fir Tree Copse is a 6-hectare (15-acre) nature reserve south-east of Dunsfold in Surrey. It is managed by the Surrey Wildlife Trust and is part of the Chiddingfold Forest Site of Special Scientific Interest
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.
Howell Hill is a 5-hectare (12-acre) nature reserve east of Ewell in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Milford Green and Coxhill Green is a 15-hectare (37-acre) nature reserve south-east of Chobham in Surrey. It is owned by Surrey County Council and 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.
Stringer's Common is a 30-hectare (74-acre) nature reserve east of Worplesdon in Surrey. It is owned by Surrey County Council and managed by the Surrey Wildlife Trust.
Tilburstow Hill is a 9-hectare (22-acre) nature reserve south-east of Godstone in Surrey. It is managed by the Surrey Wildlife Trust.
Wallis Wood is a 14-hectare (35-acre) nature reserve south-east of Ewhurst in Surrey. It is managed by the Surrey Wildlife Trust.
