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.
Burtonhole Lane and Pasture is a 6.5-hectare (16-acre) Site of Borough Importance for Nature Conservation, Grade II, between Mill Hill and Totteridge in the London Borough of Barnet. It consists of Burtonhole Lane between Partingdale Lane and Burtonhole Close, a footpath east from Burtonhole Lane towards Folly Brook, two fields south of the footpath, and a narrow belt of privately owned woodland north of the footpath. Burtonhole Brook, a tributary of Folly Brook, crosses Burtonhole Lane and the fields.
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.
Rowley Lodge Field is a Site of Borough Importance for Nature Conservation, Grade II, 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.
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.
Totteridge Green is a five hectare Site of Borough Importance for Nature Conservation, Grade II, in Totteridge in the London Borough of Barnet. It is also registered common land.
Totteridge Common is a 3.7 hectare Site of Borough Importance for Nature Conservation, Grade II, in Totteridge in the London Borough of Barnet. The nature reserve is the southern verge of the road Totteridge Common, between Totteridge Park and Oak Lodge. It is registered common land owned by the Totteridge Manor Association and comprised the lands of the former Manor of Totteridge which were transferred to the association in 1954.
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.
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.
Clay Lane is a one kilometre long public footpath and bridle way in Edgware in the London Borough of Barnet. It is a Site of Local Importance for Nature Conservation.
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.
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.
