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.
Folly Brook is a 2+1⁄4-mile (3.6 km) long brook in the London Borough of Barnet. It is a tributary of Dollis Brook, which is a tributary of the River Brent, which is a tributary of the River Thames. Folly Brook is lined for most of its length by narrow strips of woodland and scrub, with a good variety of trees and shrubs. It is one of the best streams in Barnet for small aquatic invertebrates, including several species of caddis fly and a stonefly, which are only found in unpolluted waters.
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.
Darland's Lake Nature Reserve is a nature reserve south of Totteridge Village in Barnet, England. It is owned by the London Borough of Barnet and was managed from 1971 by the Hertfordshire and Middlesex Wildlife Trust, and more recently by the borough council. In 2007 the council spent £215,000 on repairing the dam and other works, and then proposed leasing the reserve to the Wildlife Trust. The transfer did not take place and in September 2017 a trust was set up by the London Wildlife Trust and local residents associations which took over the management of Darland's Lake. In 2020 Darlands Conservation Trust launched an appeal to raise £450,000 for excavation to prevent the lake drying up.
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.
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.
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.
Copthall Railway Walk and Copthall Old Common is a 9-hectare (22-acre) Site of Borough Importance for Nature Conservation, Grade II, in Mill Hill in the London Borough of Barnet.
Edgware Way Grassland or Edgware Way Rough is a 6.7-hectare (17-acre) 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.
Stoneyfields Park is a three-hectare public park in The Hale in the London Borough of Barnet.
Deans Brook is a two-kilometre-long stream which runs between Mill Hill and Edgware in the London Borough of Barnet. It is a tributary of the Silk Stream, which is a tributary of the River Brent, which is a tributary of the River Thames.
Mill Hill Old Railway Nature Reserve is a 2.3-hectare (5.7-acre) Site of Borough Importance for Nature Conservation, Grade II, in Mill Hill in the London Borough of Barnet.
Drivers Hill is a ten hectare Site of Borough Importance for Nature Conservation, Grade II, in Mill Hill in the London Borough of Barnet. It is owned by the Jehovah's Witnesses, who built their national headquarters, Watch Tower House, on the site in 1955. The house is a major printing works where 120 million Jehovah's Witnesses periodicals were printed in 2002.
Mutton Brook is a stream which runs between East Finchley and Hendon in the London Borough of Barnet. It is a tributary of the River Brent, which is itself a tributary of the River Thames.
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.
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.
