Ingrebourne Valley is a local nature reserve (LNR) in Hornchurch in the London Borough of Havering. It is owned and managed by Havering Council, and has a visitor centre managed by the Essex Wildlife Trust. Most of it is in Hornchurch Country Park west of the River Ingrebourne, but there are also areas north and south of the park which are part of the LNR. It has a wide range of habitats, including woodland, grassland, the river and marshes. It is an important site for a range of species of plants, animals and birds, including great crested newts, slow worms, the harvest mouse and the water vole.
London Wildlife Trust (LWT), founded in 1981, is the 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 over 40 nature reserves in Greater London. One of its campaigns is to turn London's gardens into mini-nature reserves, and it provides education services for schools. Local groups work on reserves and organise walks.
Totteridge Fields is a 97-hectare Site of Metropolitan Importance for Nature Conservation (SINC) in Totteridge in the London Borough of Barnet. The SINC includes the privately owned Highwood Hill, and at the western end is a seven-hectare Local Nature Reserve owned by Barnet Council and managed by the London Wildlife Trust.
Woodridge Nature Reserve or Woodridge School Nature Reserve is a 0.7 hectare Site of Local Importance for Nature Conservation in Woodside Park, London, owned and managed by the London Borough of Barnet. It was designed as a nature trail for local primary schools, but is now very neglected.
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 and according to the Natural England details page it is jointly managed by the Hertfordshire and Middlesex Wildlife Trust and the London Wildlife Trust, but as of August 2015 it is not on the list of reserves of either Trust. It is also registered common land.
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.
Edgware Way Grassland or Edgware Way Rough is a 6.7 hectare Site of Metropolitan Importance for Nature Conservation in Edgware in the London Borough of Barnet. It is traversed by Edgwarebury Brook and contains traces of a planned railway viaduct and embankment. This was part of a planned extension of the Northern line from Edgware to Bushey, which was cancelled when the introduction of the Green Belt after the Second World War led to the cancellation of the developments which the railway was to serve. Part of the site is the Environment Agency's Edgwarebury Park Flood Storage Area.
Mill Hill Old Railway Nature Reserve is a 2.3 hectare Site of Borough Importance for Nature Conservation, Grade II, in Mill Hill in the London Borough of Barnet.
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.
St John's Wood Church Grounds is a disused graveyard which is now a public park in St. John's Wood in London. It is a Site of Borough Importance for Nature Conservation, Grade 1, and the only Local Nature Reserve in the City of Westminster. Since 2004 it has received the Green Flag Award for excellent green spaces. It is owned and managed by Westminster Council.
Cranham Marsh is a 15.3 hectare Local Nature Reserve and a Site of Metropolitan Importance for Nature Conservation in Cranham in the London Borough of Havering. It is owned by Havering Council and managed by the Essex Wildlife Trust.
One Tree Hill is a defining feature of Honor Oak, mostly in London Borough of Southwark but parts also in the London Borough of Lewisham. It includes a 7 hectare public park, local nature reserve and Site of Borough Importance for Nature Conservation, Grade 1, which is owned and managed by Southwark Council. Its name, and that of the Honor Oak area, derive from the Oak of Honor, a tree on the hill which marked the southern boundary of the Norman Honour of Gloucester.
Hutchinson's Bank is 21.8 hectare Local Nature Reserve and Site of Metropolitan Importance for Nature Conservation in New Addington in the London Borough of Croydon. It is owned by Croydon Council and managed by the London Wildlife Trust.
Ravensbury Park is a public park in Mitcham in the London Borough of Merton. An area of 7 hectares is designated a Local Nature Reserve. The River Wandle runs along the southern boundary of the park, which is also part of the Upper Wandle River Site of Metropolitan Importance for Nature Conservation.
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.
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.
Fox Wood is a 2.25 hectare Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade 1, in Ealing 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.
