The London Borough of Camden is in percentage terms the second-greenest of the Inner London boroughs. It contains most of the swathe of land Hampstead Heath and many smaller green spaces. The Central London part of the borough, south of Euston Road, is characterised by its elegant garden squares with large instances: Tavistock Square and Bedford Square. In this part runs the Regent's Canal around the top edge of Regent's Park, a little of which is in Camden, including all of associated Primrose Hill. Highgate Cemetery is in Camden but Highgate Wood is in the neighbouring borough of Haringey.
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.
Railway Fields is a Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade I, in Harringay the London Borough of Haringey. About one hectare in area, it was a railway goods yard until 1967.
Adelaide Local Nature Reserve is in North West London, in the area of Chalk Farm, Primrose Hill, Belsize Park and Swiss Cottage. It is managed by a local volunteer group, the Adelaide Nature Reserve Association, which works with the council to improve the site for wildlife and local community use and enjoyment. The site is a Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade 1.
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.
Belsize Wood is a 0.7 hectare Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade II, in Belsize Park in the London Borough of Camden. It is a steeply sloping site divided into a northern half, which is always open to the public and is of lesser ecological value, and a southern part which is in a better state of conservation, and which is only open at weekends. The two halves are separated by a public footpath between Lawn Road and Aspern Grove. The site is owned and managed by Camden 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.
The Chase is a nature reserve in Dagenham in London. Most of it is in the London Borough of Barking and Dagenham, with a small part in Havering. It is owned by the boroughs, and managed by London Borough of Barking & Dagenham - Parks & Countryside Ranger Service. The boroughs have designated the sections in their respective boroughs as Local Nature Reserves. The Chase, together with the neighbouring Eastbrookend Country Park, is also designated a Site of Metropolitan Importance for Nature Conservation.
Bedfont Lakes Country Park is a 72.5-hectare Local Nature Reserve and Site of Metropolitan Importance for Nature Conservation in Bedfont in the London Borough of Hounslow.
Sutton Ecology Centre Grounds is a 1.3 hectare Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade 1, in Carshalton in the London Borough of Sutton. It is owned by Sutton Council and managed by the Council together with the Friends of Sutton Ecology Centre.
Belmont Pastures is a 1.3 hectare Local Nature Reserve and Site of Borough Importance for Nature Conservation, Grade II, in Belmont in the London Borough of Sutton. It is owned by Sutton Council and managed by the council together with Sutton Nature Conservation Volunteers.
Myrna Close is a linear walk along the line of a former railway line in Colliers Wood in the London Borough of Merton. It is a 0.75 hectare Local Nature Reserve and a Site of Borough Importance for Nature Conservation, Grade II, which is owned and managed by Merton Council.
Jubilee Wood is located in Malden Rushett in the Royal Borough of Kingston upon Thames in London. It is divided into two parts, separated by an electricity sub-station. They are part of the 22 hectare 'Sixty Acre Wood and Jubilee Wood' Site of Metropolitan Importance for Nature Conservation, and the two hectare eastern wood, which is the only part which is publicly accessible, is also a Local Nature Reserve.
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.
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.
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.
Greville Place is a 0.12-hectare (0.30-acre) nature reserve in Kilburn in the London Borough of Camden. It is a Site of Local Importance for Nature Conservation, and it is managed by the London Wildlife Trust.
