Pulborough Brooks is a 160-hectare (400-acre) biological Site of Special Scientific Interest south of Pulborough in West Sussex. It is part of the Pulborough Brooks nature reserve, which is owned and managed by the Royal Society for the Protection of Birds. It is also part of the Arun Valley Ramsar site, Special Area of Conservation and Special Protection Area.
Pilsey Island is a 17.8-hectare (44-acre) Local Nature Reserve in Chichester Harbour in West Sussex. It is owned by the Ministry of Defence and managed by the Royal Society for the Protection of Birds. It is part of the Chichester Harbour Site of Special Scientific Interest and Nature Conservation Review site, Grade I*, the Chichester and Langstone Harbours Ramsar site and Special Protection Area, and the Solent Maritime Special Area of Conservation.
Pagham Harbour is a 629-hectare (1,550-acre) biological and geological Site of Special Scientific Interest on the western outskirts of Bognor Regis in West Sussex. It is a Geological Conservation Review site, a Nature Conservation Review site, a Ramsar site, a Special Protection Area and a Marine Conservation Zone. An area of 599.1 hectares is a RSPB Local Nature Reserve.
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.
Dungeness, Romney Marsh and Rye Bay is a 10,172.9-hectare (25,138-acre) biological and geological Site of Special Scientific Interest which stretches from New Romney in Kent to Winchelsea in East Sussex. An area of 5,129.5 hectares is a Special Protection Area, an area of 3,141.1 hectares is a Special Area of Conservation, and an area of 6,377.6 hectares is a Ramsar Site, a wetland site designated of international importance under the Ramsar Convention. Part of the site is in the High Weald Area of Outstanding Natural Beauty, parts are Geological Conservation Review sites, part is a Local Nature Reserve, and part is a Royal Society for the Protection of Birds nature reserve, and part is a National Nature Reserve.
Woolmer Forest is a 1,298.5-hectare (3,209-acre) biological Site of Special Scientific Interest south of Bordon in Hampshire and West Sussex. It is also a Special Area of Conservation and part of the Wealden Heaths Phase II Special Protection Area. Two areas are Nature Conservation Review sites, Grade I.
Hintlesham Woods is a 118.1-hectare (292-acre) biological Site of Special Scientific Interest east of Hadleigh in Suffolk. Part of it is Wolves Wood, which is managed by the Royal Society for the Protection of Birds.
Church Woods, Blean is a 526.7-hectare (1,302-acre) biological Site of Special Scientific Interest north-west of Canterbury in Kent. It is a Nature Conservation Review site, Grade I, a National Nature Reserve, a Special Area of Conservation and part of it is a Royal Society for the Protection of Birds nature reserve.
Northward Hill is a 52.5-hectare (130-acre) biological Site of Special Scientific Interest Kent. It is a Nature Conservation Review site, Grade 2, and is also designated High Halstow National Nature Reserve The site is managed by the Royal Society for the Protection of Birds.
South Thames Estuary and Marshes is a 5,289-hectare (13,070-acre) biological Site of Special Scientific Interest which stretches between Gravesend and the mouth of the River Medway in Kent. Part of it is a Nature Conservation Review site, Grade I, and part is a Royal Society for the Protection of Birds nature reserve. It is part of the Thames Estuary and Marshes Ramsar internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds.
Old Lodge is a 103.1-hectare (255-acre) Local Nature Reserve west of Crowborough in East Sussex. It is privately owned. It is managed by Sussex Wildlife Trust. It is part of Ashdown Forest, which is a Nature Conservation Review site, Grade I, a Special Area of Conservation, a Special Protection Area and a Site of Special Scientific Interest.
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.
West Hayling is a 76.2-hectare (188-acre) Local Nature Reserve on Hayling Island in Hampshire. It is owned by Havant Borough Council and managed by the council and the Royal Society for the Protection of Birds. It is part of Langstone Harbour, which is a Site of Special Scientific Interest. It is also part of Solent Maritime Special Area of Conservation and of Chichester and Langstone Harbours Ramsar site and Special Protection Area.
