Catchment projects

Hover over a numbered spot to see a project summary. Click on a spot to see the full project details. Alternatively view the project list.

The River Gade rises in the Chilterns, near the hamlet of Hudnall and flows south east for 15 miles  through Great Gaddesden, Hemel Hempstead, Kings Langley and Abbots Langley to join the Colne near Rickmansworth. The River Bulbourne rises at Cow Roast, north-west of Berkhamsted and flows for 6 miles to join the Gade at Hemel Hempstead.

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Last updated: 9 April 2024

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