Hertsmere is a local government district and borough in Hertfordshire, England. Its council is based in Borehamwood. Other settlements in the borough include Bushey, Elstree, Radlett and Potters Bar. The borough borders the three north London boroughs of Harrow, Barnet and Enfield, and is located mainly within the M25 Motorway.
Potters Bar Urban District was a local government district in England from 1894 to 1974, covering the town of Potters Bar and the village of South Mimms. The district was initially called the South Mimms Rural District, being renamed in 1934.
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.
Elstree and Borehamwood is a civil parish in the Hertsmere district, in Hertfordshire, England. Located approximately 12 miles (19 km) northwest of central London and adjacent to the Greater London boundary, it is an urbanised parish with suburban residential development, some open land and light industry. Elstree and Borehamwood is a recent renaming of the ancient parish of Elstree, covering the settlements of Elstree and Borehamwood. Formed in 1894 as the Elstree Parish Council, the local council is Elstree and Borehamwood Town Council. One of the most populous civil parishes in England, at the 2011 census it had a population of 37,065.
Elstree Rural District was a rural district in Hertfordshire, England from 1894 to 1974.
Rye Meads is a 58.5-hectare (145-acre) biological Site of Special Scientific Interest (SSSI) in Rye House, Hoddesdon, Hertfordshire. It is one of series of wetlands and reservoirs situated along the River Lea, to the north-east of London. It is part of the Lea Valley Ramsar site and a Special Protection Area.
Arkley is an area of north London, England, within the London Borough of Barnet. It is located 10.6 miles (17.1 km) north-northwest of Charing Cross.
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 (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.
Glebe Lane Pastures is a Site of Borough Importance for Nature Conservation, Grade I, in Arkley in the London Borough of Barnet.
Arkley Lane and Pastures is a 50-hectare Site of Borough Importance for Nature Conservation, Grade II, in Arkley in the London Borough of Barnet. Arkley Lane, off Barnet Road, is an old drovers' road. Located on the Barnet Plateau, it is now a quiet country lane with a traditional bank and ditch. The thick hedges are composed of beech and hornbeam, ash, field maple and magnificent old pedunculate oaks.
Woodcock Hill Village Green or Woodcock Hill Open Space is an area of grass and woodland in Borehamwood in Hertfordshire in England. It was designated a Village Green in 2008 to prevent development of the site.
Sarratt Bottom nature Reserve in Hertfordshire is a 3.2-hectare (7.9-acre) biological Site of Special Scientific Interest. The site is a meadow beside the River Chess. It is an example of damp grassland which has been traditionally managed for grazing. There are also areas of swamp and marsh. The main plants in grassland areas include sweet vernal grass and meadow foxtail, and marsh horsetail and common spike-rush are common in damper areas. The site has hedgehogs and a wide variety of wetland birds and invertebrates.
Furzefield Wood and Lower Halfpenny is a 7.4 hectare Local Nature Reserve in Potters Bar in Hertfordshire. It is owned and managed by Hertsmere Borough Council.
Fisher's Field is a 1.8 hectare Local Nature Reserve (LNR) in Bushey in Hertfordshire. It is owned and managed by Hertsmere Borough Council.
Long Lane Pasture is a 1.1-hectare (2.7-acre) nature reserve in Finchley in the London Borough of Barnet. It is owned by Barnet Council and managed by the Long Lane Pasture Trust. The council does not contribute any funds to the Trust.
Potters Bar Brook is a 3.3 km (2.0 mi) long stream (brook) in Hertfordshire, England, that is a tributary to the Mimmshall Brook.
Mimmshall Brook is a 9.8 kilometres (6.1 mi) long stream (brook) in Greater London and Hertfordshire, England. Rising from two sources—one in Hertsmere, Hertfordshire, and the other in Arkley, London Borough of Barnet—the brook drains into a catchment area of 52 km² at Water End Swallow Holes, Welham Green, North Mymms. It is a tributary of the River Colne.
