The Cotswold Water Park is the United Kingdom's largest marl lake system, straddling the Wiltshire–Gloucestershire border, northwest of Cricklade and south of Cirencester. There are 180 lakes, spread over 42 square miles (110 km2).
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 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.
Cuttle Brook is a 13-hectare (32-acre) Local Nature Reserve in Thame in Oxfordshire. It is owned and managed by Thame Town Council.
Scratchwood is an extensive, mainly wooded, country park in Mill Hill in the London Borough of Barnet. The 57-hectare site is a Site of Metropolitan Importance for Nature Conservation and together with the neighbouring Moat Mount Open Space. It is a Local Nature Reserve.
Frays Farm Meadows is a 28.2-hectare (70-acre) biological Site of Special Scientific Interest near Denham in the London Borough of Hillingdon. It was notified as an SSSI in 1981, and has been managed by the London Wildlife Trust on behalf of Hillingdon Council since 1999. It is part of the Colne Valley Regional Park.
Derwent Floodwash is a 1.8 hectare Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade II, in Morden Park in the London Borough of Merton. It is owned by the London Borough of Wandsworth and managed by Merton Council. The site borders Pyl Brook, and it is designed to store flood waters when the brook overflows, preventing flooding of properties downstream.
Gutteridge Wood and Meadows is a Local Nature Reserve (LNR) in Yeading in the London Borough of Hillingdon, which is owned by Hillingdon Council and managed by the London Wildlife Trust (LWT). It is also part of the Yeading Brook Meadows Site of Metropolitan Importance for Nature Conservation, which includes two neighbouring reserves managed by the LWT, Ten Acre Wood and Yeading Brook Meadows LNRs.
Ten Acre Wood is a Local Nature Reserve (LNR) in Yeading in the London Borough of Hillingdon, which is owned by Hillingdon Council and managed by the London Wildlife Trust (LWT). It is also part of the Yeading Brook Meadows Site of Metropolitan Importance for Nature Conservation (SINC), which includes two neighbouring LNRs managed by the LWT, Gutteridge Wood and Meadows and Yeading Brook Meadows LNR.
Yeading Brook Meadows is a 17 hectare Local Nature Reserve (LNR) in Yeading in the London Borough of Hillingdon. It is owned by Hillingdon Council and managed by the London Wildlife Trust (LWT). In the north it adjoins Ten Acre Wood across the Golden Bridge and Charville Lane; it then stretches south along the banks of the Yeading Brook to Yeading Lane. The reserve is also part of the Yeading Brook Meadows Site of Metropolitan Importance for Nature Conservation, which includes two neighbouring LNRs managed by the London Wildlife Trust, Ten Acre Wood and Gutteridge Wood and Meadows.
Great Oakley Meadow is a 1.9 hectare Local Nature Reserve in Great Oakley, on the southern outskirts of Corby in Northamptonshire. It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.
Sutherland Grange is a 3.2-hectare (7.9-acre) Local Nature Reserve on the northern outskirts of Dedworth, a suburb of Windsor in Berkshire. It is owned and managed by the Royal Borough of Windsor and Maidenhead.
Bedelands Farm Nature Reserve is a 35.2-hectare (87-acre) Local Nature Reserve on the northern outskirts of Burgess Hill in West Sussex. It is owned and managed by Mid Sussex District Council.
The Moors, Bishop's Waltham is a 28-hectare (69-acre) biological Site of Special Scientific Interest in Bishop's Waltham in Hampshire. It is a Nature Conservation Review and an area of 14.5 hectares is a Local Nature Reserve, which is owned and managed by Hampshire County Council.
Titchfield Haven is a 134.5-hectare (332-acre) biological Site of Special Scientific Interest north-west of Gosport in Hampshire. Most of it is a local nature reserve and a national nature reserve. It is part of Solent and Southampton Water Ramsar site and Special Protection Area.
Warblington Meadow is a 3.9-hectare (9.6-acre) biological Site of Special Scientific Interest west of Emsworth in Hampshire.
Claylands is a 5.8-hectare (14-acre) Local Nature Reserve in Bishop's Waltham in Hampshire. It is owned by Hampshire County Council and managed by Hampshire Countryside Service.
Dundridge Meadows is a 7.5-hectare (19-acre) Local Nature Reserve near Bishop's Waltham in Hampshire. It is owned by Hampshire County Council and managed by Hampshire County Council Countryside Service.
Tadburn Meadows is a 5.1-hectare (13-acre) Local Nature Reserve in Romsey in Hampshire. It is owned and managed by Test Valley Borough Council.
