The Colne is a river in England. It flows mainly through Hertfordshire though is also a boundary of Middlesex and Buckinghamshire (near Denham). It is a tributary of the River Thames.
The Colne rises near Colney Heath in Hertfordshire and through the Chiltern Hills. It divides into the Frays River , the Colne Brook and the Wraysbury River . It links to the River Pinn and in the South is the "Colne Brook"
The villages of Colnbrook near Slough and London Colney in Hertfordshire take their name from this river.
Tributaries
These are listed from mouth (Thames) to source:
- River Wraysbury
- Colne Brook (Uxbridge Moor to River Thames)
- Longford River
- Duke of Northumberland River
- River Frays
- River Pinn (Harrow Weald to Colne)
- River Misbourne (Amersham to Uxbridge)
- River Chess (Chesham to Rickmansworth)
- River Gade
- River Bulbourne
- River Ver (Dolittle Mill to Colne)
- Alderbourne (Fulmer to Colne)
- Ellen Brook (Hatfield to Colne)
- Mimmshall Brook (Elstree to Colne)
- Catherine Bourne (Shenley to Mimmshall Brook)
- Potters Bar Brook (Potters Bar to Mimmshall Brook)
