Editing Colnbrook (section)

==Geography==
Colnbrook (with Poyle) is at the eastern end of the borough of Slough and is directly west of the [[M25 motorway]] which separates it from [[Heathrow Airport]] in the [[London Borough of Hillingdon]] in Greater London and the [[borough of Spelthorne]] in Surrey. Elevations vary between 22 and 20m [[Above Ordnance Datum]] with the [[River Thames|Thames]] at 17m AOD {{convert|3|mi}} south at [[Staines upon Thames|Staines]] which is where the natural rivers generally drain toward. The river is unusual for its [[Colne Valley regional park|regional park (and walk)]] and seven mouths ([[distributary|distributaries]]).