Windsor Forest and Great Park is a 1,778.9-hectare (4,396-acre) biological Site of Special Scientific Interest in Berkshire and Surrey, located south of Windsor. It is a Special Area of Conservation and Windsor Forest is a Nature Conservation Review site, Grade I. Landscaped woodland gardens are Grade I listed on the Register of Historic Parks and Gardens of Special Historic Interest. Windsor Great Park is a Royal Park of 2,020 hectares, including a deer park,
Puttenham and Crooksbury Commons is a 113.8-hectare (281-acre) biological Site of Special Scientific Interest between Farnham and Guildford in Surrey. Puttenham Common is owned by the Hampton Estate and managed on behalf of Surrey County Council. Hillbury Hillfort on Puttenham Common is a scheduled monument. It is a univallate hillfort which probably dates to the Iron Age.
Chipstead Downs is a 157.8-hectare (390-acre) biological Site of Special Scientific Interest south-east of Banstead in Surrey, England. Part of it is Park Downs, which is managed by the Banstead Commons Conservators.
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.
Esher Commons is a 360.1-hectare (890-acre) biological Site of Special Scientific Interest south-west of Esher in Surrey. It includes Esher Common, Fairmile Common, West End Common and Oxshott Heath. Esher Common and West End Common are Local Nature Reserves.
Netherside Stream Outcrops is a 2.9-hectare (7.2-acre) geological Site of Special Scientific Interest north-east of Haslemere in Surrey. It is a Geological Conservation Review site.
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.
Thorpe Park No 1 Gravel Pit is a 42.5-hectare (105-acre) biological Site of Special Scientific Interest (SSSI) east of Virginia Water in Surrey. It is part of the Thorpe Park theme park.
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.
Eridge Park is a village and historic park located north of the parish of Rotherfield, to the north-east of Crowborough in East Sussex, England. The adjoining home of the same name is the seat of the Marquess of Abergavenny. The area is a biological Site of Special Scientific Interest.
Turners Hill SSSI is a 0.2-hectare (0.49-acre) geological Site of Special Scientific Interest in Turners Hill in West Sussex. It is a Geological Conservation Review site.
Stone Farm Rocks or Stone Hill Rocks is a 0.6-hectare (1.5-acre) geological Site of Special Scientific Interest south of East Grinstead in West Sussex. It is a Geological Conservation Review site.
Tower Hill to Cockham Wood is a 47.8-hectare (118-acre) biological and geological Site of Special Scientific Interest on the northern outskirts of Rochester in Kent. It contains two Geological Conservation Review sites.
Houlder and Monarch Hill Pits is a 0.7-hectare (1.7-acre) geological Site of Special Scientific Interest in Upper Halling in Kent, England. It is a Geological Conservation Review site.
Knight and Bessborough Reservoirs is a 63.4-hectare (157-acre) biological Site of Special Scientific Interest in Walton-on-Thames in Surrey. It is part of South West London Waterbodies Ramsar site and Special Protection Area
Leith Hill SSSI is a 337.9-hectare (835-acre) biological Site of Special Scientific Interest south-east of Dorking in Surrey. The SSSI consists of four wooded areas surrounding Leith Hill.
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.
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
Eelmoor Marsh is a 66.3-hectare (164-acre) biological Site of Special Scientific Interest between Fleet and Farnborough in Hampshire. It is part of Thames Basin Heaths Special Protection Area for the conservation of wild birds.
