The River Brent is a river in west and northwest London, England, and a tributary of the River Thames. 17.9 miles (28.8 km) in length, it rises in the Borough of Barnet and flows in a generally south-west direction before joining the Tideway stretch of the Thames at Brentford.
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.
The London Borough of Barnet, located on the northern periphery of London and having much of the area within its boundaries in the Metropolitan Green Belt, has many parks and open spaces. In addition there are large areas taken over by cemeteries and golf courses, and part of Hampstead Heath.
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.
Hendon Park is a 12 hectare London suburban park situated 7 miles (11 km) north west of Charing Cross. It borders the Northern line, and Hendon Park and Northern line Railway Cutting are a Site of Local Importance for Nature Conservation.
The Dollis Valley Greenwalk is a footpath route in the London Borough of Barnet in London, England, between Moat Mount Nature Reserve in Mill Hill and Hampstead Heath. The route is designed to act as a link between the Capital Ring and the London Loop, and between the many green spaces and wildlife corridors along the way. It is approximately 10 miles (16 km) long. It mainly follows the Dollis Brook and is one of the many parks and open spaces in Barnet.
The Silk Stream is a brook just over 4 kilometres (2.5 mi) long in the London Borough of Barnet. It is one of the major components of the Blue Ribbon Network.
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.
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.
Glebelands is a Grade I Site of Borough Importance for Nature Conservation in Colney Hatch in the London Borough of Barnet. It is also part of the Coppett's Wood and Glebelands Local Nature Reserve.
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.
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.
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.
Burnt Oak Brook is a one-mile-long stream between Mill Hill and Burnt Oak 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.
