Rainham Marshes is an RSPB nature reserve in the east of London, adjacent to the Thames Estuary in Purfleet, Thurrock and the London Borough of Havering. In 2000, the area of land was bought from the Ministry of Defence, who used it as a test firing range. With no activity for several years, the nature reserve was officially opened to the public in 2006. It has maintained much of its Medieval landscape, and is the largest area of wetland on the upper parts of the Thames Estuary.
Coppett's Wood and Scrublands is a 14.5 hectare Site of Borough Importance for Nature Conservation, Grade I, between Muswell Hill and Friern Barnet in the London Borough of Barnet. It is part of the Coppett's Wood and Glebelands Local Nature Reserve.
Glebelands is Site of Borough Importance for Nature Conservation, Grade I, in Colney Hatch in the London Borough of Barnet. It is also part of the Coppett's Wood and Glebelands Local Nature Reserve.
Oak Hill Wood is a 10-hectare Local Nature Reserve (LNR) and a Site of Borough Importance for Nature Conservation Grade I, in East Barnet, London. It is owned by the London Borough of Barnet, and part of it is a 5.5-hectare nature reserve managed by the London Wildlife Trust.
Elmbridge Open Space or Elmbridge Meadows is a Local Nature Reserve in Berrylands in the Royal Borough of Kingston upon Thames in London. It is a linear open space along the western bank of the Hogsmill River which starts at Malden Way and ends at a path between Surbiton Hill Park to Green Lane.
Ham Lands is a 72-hectare Local Nature Reserve and Site of Metropolitan Importance for Nature Conservation in Ham in the London Borough of Richmond upon Thames and the Royal Borough of Kingston upon Thames.
Beam Valley Country Park is a 74-hectare park in Dagenham in the London Borough of Barking and Dagenham. Most of it is designated as a Local Nature Reserve (LNR) called Beam Valley, but a narrow strip next to the River Beam south from Western Avenue is a separate LNR called Beam Valley. The park is also designated as two Sites of Borough Importance for Nature Conservation, Grade 1, one north and the other south of South Dagenham Road.
Ripple Nature Reserve is an 8.3 hectare Site of Metropolitan Importance for Nature Conservation and Local Nature Reserve in Dagenham in the London Borough of Barking and Dagenham. It is owned by the borough council.
Roundshaw Downs is a 52.7 hectare Site of Metropolitan Importance for Nature Conservation Roundshaw in the London Boroughs of Sutton and Croydon. An area of 19.6 hectares in Sutton is also a local nature reserve. In the nineteenth century the area was farmland, and in the first half of the twentieth it was Croydon Airport.
Ruffett Wood and Big Wood are adjoining woods with a total area of 7 hectares on the border of the London Borough of Sutton, close to the village of Woodmansterne. Big Wood is to the south and Ruffett Wood is to the north. They are owned by Sutton Council and managed by the Woodland Trust. They are designated a Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade 1. The woods are the largest continuous area of woodland in the borough of Sutton.
Bonesgate Open Space is a public park, Local Nature Reserve (LNR) and Site of Borough Importance for Nature Conservation, Grade 1, in Chessington in the Royal Borough of Kingston upon Thames in London. It has an area of 5.07 hectares, and was designated an LNR in 1994.
Hogsmill River Park or Hogsmill Valley is a linear park along the banks of the Hogsmill River in the Royal Borough of Kingston upon Thames in London. It stretches from the junction of Surbiton Hill Park and Elmbridge Avenue in Berrylands in the north to the junction between the river and a footpath to Manor Close in Old Malden in the south.
Southwood Open Space is a 12.9 hectare Local Nature Reserve (LNR) in Old Malden in the Royal Borough of Kingston upon Thames in London. It is a linear park along the Hogsmill River between the Kingston Bypass opposite Elmbridge Avenue and the junction between the Hogsmill and a footpath to Manor Drive North.
Castle Hill is a 3.5 hectare Scheduled Ancient Monument, Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade 1, in Chessington in the Royal Borough of Kingston upon Thames, London. It is owned by Merton College, Oxford, and leased to Kingston Council. The site is managed by the Lower Mole Countryside Management Project.
Blondin Park is an 8.5-hectare (21-acre) public park in Northfields in the London Borough of Ealing. It has allotments area and sports pitches. It is owned by Ealing Council and managed by the Council together with the Friends of Blondin Park. An area of 2.3 ha in the south-west corner is a Local Nature Reserve, and the nature area and allotments are a Site of Local Importance for Nature Conservation.
Long Wood is a 1.2 hectare Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade 1, in Norwood Green in the London Borough of Ealing. It is owned and managed by Ealing 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.
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.
