Pyl Brook is a small stream in southwest London. It is a tributary of Beverley Brook, which is a tributary of the River Thames. Pyl Brook has two sources. The 5.3 kilometre main brook rises in Sutton Common in Sutton and flows through the London Borough of Merton to join Beverley Brook at Beverley Park in New Malden. The 3.9 kilometre East Pyl Brook also rises in Sutton and flows through Merton, joining the main Pyl east of Grand Drive in Raynes Park.
The Cotswold Water Park is the United Kingdom's largest marl lake system, straddling the Wiltshire–Gloucestershire border, north-west of Cricklade and south of Cirencester. There are 180 lakes, spread over 42 square miles (110 km2).
London Wildlife Trust (LWT), founded in 1981, is a local nature conservation charity for Greater London. It is one of 46 members of the Royal Society of Wildlife Trusts, each of which is a local nature conservation charity for its area. The Trust aims to protect London's wildlife and wild spaces, and it manages 36 nature reserves in Greater London. The Trust provides education services for schools. Local groups work on reserves and organise walks.
Rowley Green Common is a six hectare Local Nature Reserve and a Site of Importance Metropolitan for Nature Conservation in Arkley, north London. It is owned by the London Borough of Barnet. It is also registered common land.
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.
Denham Lock Wood is a 6.3-hectare (16-acre) biological Site of Special Scientific Interest (SSSI) next to the Grand Union Canal, and near Denham in the London Borough of Hillingdon. It was notified in 1986 and is managed by the London Wildlife Trust on behalf of Hillingdon Council. It lies within the Colne Valley Regional Park.
Gilbert's Pit is a 5.2-hectare (13-acre) geological Site of Special Scientific Interest in Charlton in the Royal Borough of Greenwich. It was notified in 1985 and was formerly known as Charlton Sand Pit. It is a Geological Conservation Review site. It is also part of the Maryon Wilson Park and Gilbert's Pit Local Nature Reserve. It adjoins Maryon Park and is close to Maryon Wilson Park.
Wansunt Pit is a 1.9-hectare (4.7-acre) geological Site of Special Scientific Interest in Dartford Heath between Crayford in the London Borough of Bexley and Dartford in Kent. It is also a Geological Conservation Review site. It is important geologically because it exposes the Dartford Heath Gravel, and the relationship of this exposure to the Swanscombe sequence and the Thames Terraces is a controversial issue in Thames Pleistocene studies. The site is part of Braeburn Park, a nature reserve managed by the London Wildlife Trust.
Ruxley Gravel Pits is an 18.7-hectare (46-acre) biological Site of Special Scientific Interest in Ruxley, Orpington, in the London Borough of Bromley, and originally dug between 1929 and 1951. It is also a Site of Metropolitan Importance for Nature Conservation. It is owned by the Environment Agency and managed by Kent Wildlife Trust. Natural England has assessed its condition as "unfavourable recovering".
Big Wood and Little Wood are two patches of woodland in Hampstead Garden Suburb in the London Borough of Barnet. They are a Site of Borough Importance for Nature Conservation, Grade 1, and a Local Nature Reserve. Big Wood is 7.3 hectares and Little Wood is 1.2 hectares.
Fishpond Wood and Beverley Meads is a 5.8 hectare local nature reserve adjacent to Wimbledon Common in the London Borough of Merton. It is owned and managed by Merton Council.
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.
The Centre for Wildlife Gardening is a 0.22-hectare (0.54-acre) nature reserve in Peckham in the London Borough of Southwark. It is owned by Southwark Council and managed by the London Wildlife Trust. It is a Site of Borough Importance for Nature Conservation, Grade I.
Braeburn Park is a 22.3-hectare (55-acre) nature reserve in Crayford in the London Borough of Bexley. It is managed by the London Wildlife Trust, and includes Wansunt Pit, a 1.9-hectare (4.7-acre) geological Site of Special Scientific Interest.
Crane Meadows or Huckerby's Meadows is a 13 hectare nature reserve adjacent to Heathrow Airport in the London Borough of Hillingdon. It is managed by the London Wildlife Trust, and is part of the Crane Corridor Site of Metropolitan Importance for Nature Conservation.
Park Road Pond is a pond in Uxbridge in the London Borough of Hillingdon. It is managed as a nature reserve by the London Wildlife Trust (LWT), and is a Site of Borough Importance for Nature Conservation, Grade I.
Uxbridge College Pond is a small pond in the grounds of Uxbridge College in Uxbridge in the London Borough of Hillingdon. It is managed as a nature reserve by the London Wildlife Trust (LWT), and is a Site of Borough Importance for Nature Conservation, Grade I.
