Dollis Brook runs through the

London Borough of Barnet The London Borough of Barnet () is a suburban London boroughs, London borough in North London. The borough was formed in 1965 from parts of the ceremonial counties of Middlesex and Hertfordshire. It forms part of Outer London and is the largest ...

north London North London is the northern part of London, England, north of the River Thames. It extends from Clerkenwell and Finsbury, on the edge of the City of London financial district, to Greater London's boundary with Hertfordshire. The term ''nort ...

. It is a tributary of the

River Brent The River Brent is a river in west and northwest London, England, and a tributary of the River Thames. in length, it rises in the Borough of Barnet and flows in a generally south-west direction before joining the Tideway stretch of the Thame ...

, which is itself a tributary of the

River Thames The River Thames ( ), known alternatively in parts as the The Isis, River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the Longest rivers of the United Kingdom, se ...

. The

Dollis Valley Greenwalk The Dollis Valley Greenwalk (or Green Walk) 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 ...

follows almost all of Dollis Brook, apart from a short section at the beginning which passes through private land, and the

London Loop The London Outer Orbital Path — more usually the "London LOOP" — is a 150-mile (242 km) signed walk along public footpaths, and through parks, woods and fields around the edge of Outer London, England, described as "the M25 ...

follows it as far as Barnet Lane. The name Dollis is probably derived from the

Middle English Middle English (abbreviated to ME) is a form of the English language that was spoken after the Norman conquest of 1066, until the late 15th century. The English language underwent distinct variations and developments following the Old English p ...

word 'dole', meaning the shares of land in the common field. Dollis Brook rises at two points, one on Mote End Farm and the other on the London Loop and Dollis Valley Greenwalk at – the latter only has water after heavy rain. The brook then flows through private land under Hendon Wood Lane. Its course is eastwards through

Totteridge Fields 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 ...

, a Site of Metropolitan Importance, and then through fields and open spaces to King George V Playing Fields in

Totteridge Totteridge is a residential area and former village in the London Borough of Barnet, England. It is a mixture of suburban development and open land (including some farmland) situated 8 miles (13 km) north north-west of Charing Cross. It ...

The brook then turns southwards and forms the eastern boundary of Totteridge.Totteridge, British History Online
/ref> It passes through Wyatts Farm Open Space and Brook Farm Open Space to Totteridge Lane near Totteridge and Whetstone Underground station, and then continues south through

Woodside Park Woodside Park is a suburban residential area in London. It is located in the London Borough of Barnet, in the North Finchley postal district of N12. Description The area to the east of the tube station consists predominantly of large Victor ...

(where it merges with

Folly Brook Folly Brook is a 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 wo ...

) and

West Finchley West Finchley is a London Underground station in the Finchley area of the London Borough of Barnet. The station is on the High Barnet branch of the Northern line between Woodside Park and Finchley Central stations and is in Travelcard Zone 4. ...

, before passing under the

Dollis Brook Viaduct The Dollis Brook Viaduct, also known as the Dollis Road Viaduct, Dollis Viaduct or Mill Hill Viaduct, is a railway viaduct to the west of Finchley, North London, United Kingdom. It carries the London Underground's Northern line from Mill Hill Ea ...

which carries the

Northern line The Northern line is a London Underground line that runs from North London to South London. It is printed in black on the Tube map. The Northern line is unique on the Underground network in having two different routes through central London, two ...

between Finchley Central and

Mill Hill East Mill Hill is a suburb in the London Borough of Barnet, England. It is situated around northwest of Charing Cross. Mill Hill was in the historic county of Middlesex until 1965, when it became part of Greater London. Its population counted 18, ...

Underground stations. Until 1965 Dollis Brook formed the boundary between the municipal boroughs of

Finchley Finchley () is a large district of north London, England, in the London Borough of Barnet. Finchley is on high ground, north of Charing Cross. Nearby districts include: Golders Green, Muswell Hill, Friern Barnet, Whetstone, Mill Hill and H ...

and

Hendon Hendon is an urban area in the Borough of Barnet, North-West London northwest of Charing Cross. Hendon was an ancient manor and parish in the county of Middlesex and a former borough, the Municipal Borough of Hendon; it has been part of Great ...

. Dollis Brook then passes under Dollis Road and through Windsor Open Space to the Great North Way ( A1). Near Bridge Lane in Hendon it merges with

Mutton Brook __NOTOC__ 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. The brook rises in Cherry Tree Wood and flo ...

to form the

. ''Upper Dollis Brook'' between

Mill Hill Mill Hill is a suburb in the London Borough of Barnet, England. It is situated around northwest of Charing Cross. Mill Hill was in the historic county of Middlesex until 1965, when it became part of Greater London. Its population counted 18, ...

and

, including neighbouring open spaces, is a Site of Borough Importance for Nature Conservation, Grade I. It is too shaded for aquatic plants, but plants such as

yellow iris ''Iris pseudacorus'', the yellow flag, yellow iris, or water flag, is a species of flowering plant in the family Iridaceae. It is native to Europe, western Asia and northwest Africa. Its specific epithet ''pseudacorus'' means "false acorus", ref ...

and

water-pepper ''Persicaria hydropiper'' (synonym (taxonomy), syn. ''Polygonum hydropiper''), also known as water pepper, marshpepper knotweed, arse smart or tade, is a plant of the family Polygonaceae. A widespread species, ''Persicaria hydropiper'' is found ...

grow along its banks and

kingfishers Kingfishers are a family, the Alcedinidae, of small to medium-sized, brightly colored birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species found in the tropical regions of Africa, Asia, and Oceania, ...

grey wagtail The grey wagtail (''Motacilla cinerea'') is a member of the wagtail family, Motacillidae, measuring around 18–19 cm overall length. The species looks somewhat similar to the yellow wagtail but has the yellow on its underside restricted t ...

s, and moorhens can be seen along the stream. ''Lower Dollis Brook'' is a Site of Borough Importance for Nature Conservation, Grade II. It starts at Woodside Park and includes Brent Park and the River Brent until it passes under the Northern line near

Brent Cross Brent Cross is originally the name of a crossroads that today forms a major interchange for traffic in the London Borough of Barnet, England. Located a mile from the centres of Hendon and Golders Green, the area also contains the Brent Cross ...

Flyover. It is less ecologically rich than ''Upper Dollis Brook'', but nevertheless forms a valuable green corridor through suburban areas.

See also

References

Further reading