The River Yar on the Isle of Wight, England, rises near the beach at Freshwater Bay, on the south coast, and flows only a few miles north to Yarmouth where it meets the Solent. Most of the river is a tidal estuary. Its headwaters have been truncated by erosion of the south coast.
Catherington Down is a 12.8-hectare (32-acre) biological Site of Special Scientific Interest in Catherington in Hampshire. It is also a Local Nature Reserve
Ebblake Bog is a 11.3-hectare (28-acre) biological Site of Special Scientific Interest in Dorset and Hampshire, located west of Ringwood. It is part of Dorset Heathlands Ramsar site and Special Protection Area, and of Dorset Heaths Special Area of Conservation,
Dibden Bay is a 229.4-hectare (567-acre) biological Site of Special Scientific Interest (SSSI) between Marchwood and Hythe in Hampshire.
Milton Gate Marsh is a 17.7-hectare (44-acre) biological Site of Special Scientific Interest north-west of Eastbourne in East Sussex.
Portsdown is a 69.1-hectare (171-acre) biological Site of Special Scientific Interest on Portsdown Hill, on the northern outskirts of Portsmouth in Hampshire.
Oakley Wood is a 48.1-hectare (119-acre) biological Site of Special Scientific Interest west of Hathern in Leicestershire.
Pasture and Asplin Woods is a 40.9 hectares biological Site of Special Scientific Interest west of Belton in Leicestershire.
Selsey, East Beach is a 1.7-hectare (4.2-acre) geological Site of Special Scientific Interest in Selsey in West Sussex, United Kingdom. It is a Geological Conservation Review site.
Climping Beach is a 32.1-hectare (79-acre) biological Site of Special Scientific Interest west of Littlehampton in West Sussex. The eastern half is designated a Local Nature Reserve called West Beach.
Emer Bog and Baddesley Common is a 50-hectare (120-acre) nature reserve north of North Baddesley in Hampshire. It is managed by the Hampshire and Isle of Wight Wildlife Trust. An area of 39.0 hectares is designated as Baddesley Common biological Site of Special Scientific Interest. An area of 37.6 hectares is designated Emer Bog Special Area of Conservation
Botley Wood and Everett's and Mushes Copses is a 352.7-hectare (872-acre) biological Site of Special Scientific Interest north of Fareham in Hampshire.
Lincegrove and Hackett's Marshes is a 37.8-hectare (93-acre) biological Site of Special Scientific Interest on the west bank of the River Hamble between Southampton and Fareham in Hampshire. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. Hackett's Marsh is a 20.4 hectares Local Nature Reserve.
Lower Test Valley is a 142-hectare (350-acre) biological Site of Special Scientific Interest near Totton in Hampshire. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. It is a nature reserve managed by the Hampshire and Isle of Wight Wildlife Trust.
Lymington River Reedbeds is a 41.7-hectare (103-acre) biological Site of Special Scientific Interest in Lymington in Hampshire. It is a nature reserve managed by the Hampshire and Isle of Wight Wildlife Trust. It is part of Solent and Southampton Water Ramsar site and Special Protection Area.
Martin and Tidpit Downs is a 367.5-hectare (908-acre) biological Site of Special Scientific Interest north-west of Fordingbridge in Hampshire. Martin Down is a 341-hectare (840-acre) national nature reserve and an area of 115 hectares is a Nature Conservation Review site, Grade I. Bokerley Dyke, a prehistoric linear earthwork and scheduled monument, runs through the site.
Norley Copse and Meadow is a 7.5-hectare (19-acre) biological Site of Special Scientific Interest east of Lymington in Hampshire. It is part of New Forest Ramsar site and Special Protection Area.
North Solent is a 1,186.7-hectare (2,932-acre) biological and geological Site of Special Scientific Interest along the north bank of the Solent between East End and Calshot in Hampshire. It is a Nature Conservation Review site, Grade I. Part of it is in North Solent National Nature Reserve and two areas are Geological Conservation Review sites. It is part of Solent and Southampton Water Ramsar site and Special Protection Area, and of Solent Maritime Special Area of Conservation. Boldre Foreshore is a local nature reserve.
Toyd Down and Quarry is a 6.7-hectare (17-acre) biological Site of Special Scientific Interest east of Martin in Hampshire.
Warblington Meadow is a 3.9-hectare (9.6-acre) biological Site of Special Scientific Interest west of Emsworth in Hampshire.
