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.
The Sussex Wildlife Trust (SWT) is a conservation charity which aims to protect natural life in Sussex. It was founded in 1961 and is one of 46 wildlife trusts across the UK and the Isle of Man and Alderney. As of 2019, it has 33,000 members and manages 2,000 hectares of land for nature. It is a registered charity and in the year to 31 March 2019 it had an income of £5.7 million and expenditure of £4 million, resulting in net income of £1.7 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
Amberley Wild Brooks or Amberley Wildbrooks is a 327.5-hectare (809-acre) biological Site of Special Scientific Interest west of Storrington in West Sussex. An area of 80 hectares is a nature reserve managed by the Sussex Wildlife Trust It is a Site of Special Scientific Interest and a Nature Conservation Review site. It is also part of the Arun Valley Ramsar site, Special Area of Conservation and Special Protection Area.
Marline Valley Woods is a 55.1-hectare (136-acre) biological Site of Special Scientific Interest on the western outskirts of Hastings in East Sussex. An area of 40.3 hectares is a Local Nature Reserve owned by Hastings Borough Council and managed by the Sussex Wildlife Trust.
Ebernoe Common is a 233.9-hectare (578-acre) biological Site of Special Scientific Interest in Ebernoe, north of Petworth in West Sussex. It is a Nature Conservation Review site, Grade I, a national nature reserve and a Special Area of Conservation. It is managed by the Sussex Wildlife Trust
Rye Harbour LNR is a 325.4-hectare (804-acre) local nature reserve in Rye in East Sussex. The site is part of the 465-hectare (1,150-acre) nature reserve managed by the Sussex Wildlife Trust. It is also part of Dungeness, Romney Marsh and Rye Bay Ramsar site, Special Protection Area and Site of Special Scientific Interest and Dungeness Special Area of Conservation.
Burton Park SSSI is a 57.7-hectare (143-acre) biological Site of Special Scientific Interest west of Pulborough in West Sussex. A larger area of 63 hectares, including Chingford Pond to the west, is designated a Local Nature Reserve called Burton and Chingford Ponds, which is managed by the Sussex Wildlife Trust and West Sussex County Council. The site is adjacent to Burton Park, a Grade I listed building.
Lavington Common is a 31.2-hectare (77-acre) biological Site of Special Scientific Interest south-west of Petworth in West Sussex. It is a National Trust property.
Levin Down is a 25.6-hectare (63-acre) biological Site of Special Scientific Interest south of Midhurst in West Sussex. It is managed by the Sussex Wildlife Trust.
The Mens is a 205.2-hectare (507-acre) biological Site of Special Scientific Interest west of Billingshurst in West Sussex. It is a Nature Conservation Review site, Grade I and a Special Area of Conservation. An area of 166 hectares south of the A272 road is managed as a nature reserve by the Sussex Wildlife Trust.
East Dean Park Wood is a 17.8-hectare (44-acre) biological Site of Special Scientific Interest south of East Dean in West Sussex.
Waltham Brooks is a 47.4-hectare (117-acre) biological Site of Special Scientific Interest south-west of Pulborough in West Sussex. It is owned and managed by the Sussex Wildlife Trust and is part of the Arun Valley Ramsar site and Special Protection Area.
Marehill Quarry is a 1.1-hectare (2.7-acre) geological Site of Special Scientific Interest east of Pulborough in West Sussex. It is owned and managed by the Sussex Wildlife Trust and is a Geological Conservation Review site.
Coulters Dean is a 2.2-hectare (5.4-acre) biological Site of Special Scientific Interest south-east of Buriton in Hampshire. It is part of the 4-hectare (9.9-acre) Coulters Dean nature reserve, which is managed by the Hampshire and Isle of Wight Wildlife Trust.
