Dollis Brook runs through the London Borough of Barnet in north London. It is a tributary of the River Brent, which is itself a tributary of the River Thames. The Dollis Valley Greenwalk follows almost all of Dollis Brook, apart from a short section at the beginning which passes through private land, and the London Loop follows it as far as Barnet Lane. The name Dollis is probably derived from the Middle English word 'dole', meaning the shares of land in the common field.
Edgwarebury Park is a 22-hectare park in Edgware in the London Borough of Barnet. It was once part of the manor of Earlsbury, which was first mentioned in 1216. In the later Middle Ages it was owned by All Souls College, Oxford, and there is still evidence of the older landscape of fields and woodland. Hendon Rural District and Middlesex County Council bought the land in two parts in 1929 and 1932, and the park opened in the latter year. It is now owned and managed by Barnet Council.
Sunny Hill Park is a park in Hendon, in the London Borough of Barnet, England. It is a large hilly park, 22 hectares, mainly grassed, which has extensive views to the north and the west. Together with the neighbouring Hendon Churchyard, it is a Site of Local Importance for Nature Conservation.
Cherry Tree Wood is a 5.3-hectare park in East Finchley in the London Borough of Barnet. It is a Site of Local Importance for Nature Conservation. Located opposite East Finchley Underground station, it contains woodland and grassland, a playground, tennis courts, a cafe and toilets.
Woodridge Nature Reserve or Woodridge School Nature Reserve is a 0.7-hectare (1.7-acre) 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. It is also registered common land.
Arrandene Open Space and Featherstone Hill is a 25 hectare Site of Metropolitan Importance for Nature Conservation in Mill Hill in the London Borough of Barnet.
Hadley Green is a 10-hectare (25-acre) Site of Metropolitan Importance for Nature Conservation in Hadley in the London Borough of Barnet. The reserve straddles the Great North Road between Hadley Green Road and Fold Lane.
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.
Coppetts Wood and Scrublands is a 14.5-hectare (36-acre) 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 Coppetts Wood and Glebelands Local Nature Reserve.
Avenue House Grounds is a ten-acre Site of Local Importance for Nature Conservation on East End Road in Church End, Finchley in the London Borough of Barnet. The estate is now known as Stephens House and Gardens.
Greenhill Gardens is a 1.6 hectare public park in New Barnet in the London Borough of Barnet. Its main feature is an ornamental lake with a wooded island, which attracts many birds, and it also has a grassed area with scattered mature trees. It is a site of local importance for nature conservation.
Friary Park is a nine hectare formal Edwardian park in Friern Barnet in the London Borough of Barnet.
Princes Park is a small public park and Site of Local Importance for Nature Conservation in Temple Fortune in the London Borough of Barnet.
Clarefield Park is a small park and Site of Local Importance for Nature Conservation in Brent Cross in the London Borough of Barnet.
Clitterhouse Recreation Ground or Clitterhouse Playing Fields is a park and Site of Local Importance for Nature Conservation in Brent Cross in the London Borough of Barnet. It is a large area of mown grass with a children's playground, bordered by thick hedges. Clitterhouse Stream, a tributary of the River Brent, runs along its eastern border.
Brent Park is a small public park of 2.24 hectares in Hendon in the London Borough of Barnet. It is part of the 'Lower Dollis Brook' Site of Borough Importance for Nature Conservation, Grade II.
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.
Barnet Countryside Centre is a 3.3 hectare Site of Local Importance for Nature Conservation in High Barnet in the London Borough of Barnet. It is run by the Friends of Barnet Countryside Centre as a nature reserve and to provide environmental education for schools.
