Latest News

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Fray’s River

Fray’s River is a 5½ mile long river that branches off the River Colne just north of Denham Lock on the Grand Union Canal and rejoins it just south of Drayton Mill in West Drayton. Here you can learn about its history and find directions to walk its length.
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Feeling Optimistic in 2026

We start 2026 feeling optimistic about the future of the countryside on the western doorstep of our capital city, find out why here.

Spotlight

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Thank you to the Colne Valley Volunteers

We’d like to take the opportunity to say a huge thank you to the Colne Valley Volunteers as well as all the other amazing volunteer groups helping to look after our beautiful regional park!
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Riverfly Surveying

Find out what Riverfly surveying is and how you can get involved in the Colne Valley Regional Park.
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How can we best conserve our Green Belt? Planning Conference starts conversation

MORE than 80 people attended the Colne Valley Regional Park’s conference at Brunel University on April 18, which focused on how the Green Belt on the fringe of London can be improved.
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Donate Now to Help us Conserve the Colne Valley Park for Future Generations

Exciting news! Give to our charity appeal this week and Big Give’s Green Match Fund will DOUBLE your donation.
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Analysis finds 267 micro pollutants in the river Colne

A detailed analysis of the water quality of the River Colne has found 267 different micro pollutants. This report reflects two years of work on the part of the Colne Valley Fisheries Consultative sampling water and sediment taken from the River Colne in Watford and upstream to the headwaters.
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Engaging with Planning across the Colne Valley Regional Park – Workshop 9th March

The Colne Valley Regional Park held this free, interactive, event in Iver Village Hall. The evening aimed to help attendees: On how to respond to large planning applications and Local Authority Plans; Understand the development threats facing our local Green Belt; By sharing a draft Planning Toolkit to help organisations.