Latest news

Impress the Chess is bidding to bag a massive cash boost from the Tesco Bags of Help initiative.


Thames 21 are holding monthly events along the Rivers Pinn & Fray's  in the London Borough of Hillingdon to enhance the river and its surroundings

All Thames21 events are on


The Colne Valley Fisheries Consultative has launched a new Project to enable the public to report and map pollution incidents in the Colne catchment. 


Catchment areas of the River Colne

River Chess Colne Valley Park North Colne Valley Park South Rivers Gade and Bulbourne Rivers Misbourne and Alderbourne Rivers Pinn, Ash, Duke of Northumberland and Longford Upper Colne and tributaries River Ver

ColneCAN RT @AnglianWater: Look what came out of the sewers at our Haverhill treatment works! A corn snake 😬. Please be careful what you flush. http…
ColneCAN RT @Chilternstreams: Cuteness overload! A few photos of the litter of water voles found by the R. Chess yesterday @RiverChess @BBOWT https:…
ColneCAN RT @RiverChess: We covered the area with brash & wire mesh - allowing the water voles out, but hopefully stopping predators getting in. htt…

Roll over the map to highlight the individual catchments, click to visit the action plan for that catchment.

You can help in many ways: from saving water at home to more hands-on practical work with the rivers themselves. You may also have ideas about new or existing projects – we would like to hear them!

Design by LTD Design Consultants and build by Garganey Consulting. From an original concept by the Herts and Middlesex Wildlife Trust.