The Colne Brook is a river in England that is a

distributary A distributary, or a distributary channel is a stream channel that branches off and flows a main stream channel. It is the opposite of a ''tributary'', a stream that flows another stream or river. Distributaries are a result of river bifurc ...

of the River Colne which runs from Uxbridge Moor, there forming the western border of Greater London, to 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, s ...

just below Bell Weir Lock in Hythe End, Wraysbury,

Berkshire Berkshire ( ; abbreviated ), officially the Royal County of Berkshire, is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Oxfordshire to the north, Buckinghamshire to the north-east, Greater London ...

Course

On leaving the Colne at

Uxbridge Uxbridge () is a suburban town in west London, England, and the administrative headquarters of the London Borough of Hillingdon, northwest of Charing Cross. Uxbridge formed part of the parish of Hillingdon in the county of Middlesex. As part ...

Moor in the Colne Valley regional park, the Colne Brook flows close by to its west until West Drayton then passes under the

M25 motorway The M25 or London Orbital Motorway is a major ring road encircling most of Greater London. The motorway is one of the most important roads in the UK and one of the busiest. Margaret Thatcher opened the final section in 1986, making the M25 th ...

at the M4 " Thorney interchange", enters

and flows through the village of

Colnbrook Colnbrook is a village in the Borough of Slough, Slough district in Berkshire, England. It lies within the historic counties of England, historic boundaries of Buckinghamshire, and straddles two distributaries of the River Colne, Hertfordshire, ...

. South of there, it receives some water from the Poyle Channel, after which that becomes the Wraysbury River watering the west of Staines Moor. Then the Brook runs between Horton's centre and another residential part of Horton on Coppermill Road adjoining Wraysbury Reservoir. Colne Brook has its end stage in the easternmost parish of the Royal Borough of Windsor and Maidenhead. It passes Wraysbury railway station then adjoins gravel-extraction-made lakes of Wraysbury, a

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain, or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland, is a conservation designation denoting a protected area in the United Kingdom and Isle ...

, before running into the River Thames: between the

M25 Runnymede Bridge Runnymede Bridge is a motorway, A-road, pedestrian, and cycle bridge, built in the 1960s and 1980s and expanded in the 2000s, carrying the M25 motorway, M25 and A30 road (Great Britain), A30 across the River Thames near the uppermost end of the ...

and Bell Weir Lock upstream.

Ordnance survey The Ordnance Survey (OS) is the national mapping agency for Great Britain. The agency's name indicates its original military purpose (see Artillery, ordnance and surveying), which was to map Scotland in the wake of the Jacobite rising of ...

website

Notes and references

;Notes ;References {{DEFAULTSORT:Colne Brook 1ColneBrook Rivers of Berkshire Rivers of Buckinghamshire

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See also

Notes and references