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Activities

Led Walk: Denham

Led Walk: Denham

Friday 13 Feb 2026

Hillingdon Council organise a regular led walk through Denham Country Park, which you would be very welcome to join, it starts at Station Parade shops in Denham.

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Free family activities in the Woodland Centre at Ruislip Lido

Free family activities in the Woodland Centre at Ruislip Lido

Monday 16 Feb 2026 - Tuesday 17 Feb 2026

Ruislip Lido Woodland Centre, Ruislip

Free February Half Term activities for Families and Children organised by Hillingdon council in the Woodland Centre at Ruislip Lido.

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Community Litter Blitz along the Canal from Denham to Harefield with Canal & River Trust

Community Litter Blitz along the Canal from Denham to Harefield with Canal & River Trust

Wednesday 18 Feb 2026

Join Our Community Litter Blitz with Canal & River Trust! We're teaming up with the Canal & River Trust for a community Litter Blitz along the beautiful stretch from Denham Deep Lock to Widewater Lock (Harefield).

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The Colne Valley Regional Park is the first substantial taste of countryside to the west of London. The Park, founded in 1965, stretches from Rickmansworth in the north to Staines and the Thames in the south, and from Uxbridge and Heathrow in the east, to Slough and Chalfont St Peter in the west.

A mosaic of farmland, woodland & water with 200 km of rivers, canals and over 60 lakes

The Colne Valley Regional Park, formed in 1965 , stretches from Rickmansworth in the north, to Staines and the Thames in the south, Uxbridge and Heathrow in the east, to Slough and Chalfont in the west. Covering 43 square miles the landscape is a mix of bustling towns, green spaces and waterways which are the first taste of countryside immediately west of London.

The Colne Valley Park Trust aims to highlight this fantastic and varied area, its history, rich landscape and biodiversity. Many people live, work and visit the Colne Valley, but too few realise it forms part of a vibrant regional park.

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Countryside on your doorstep – Explore the Colne Valley

Spotlight

Why we need to protect the Colne Valley Regional Park

Act now to secure its legacy and potential!
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A Corridor for Life

Our campaign aims to make the Colne Valley Regional Park one of the best green corridors round any city in the UK.
We are calling for a co-ordinated cross-border masterplan for development, which would drive restoration of the landscape for people and wildlife and create healthier and resilient communities with a stronger economy.

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About the Regional Park

Students at Brunel University London and West London Film and Media CIC created this informative video.

It explores some of the many attractions in the Colne Valley Regional Park, highlighting the practical uses of the land, farming, angling, its many circular walks, and how to support it. The video also deals with the many threats and pressures facing the regional park due to its close proximity to the urban areas of west London, including giant infrastructure projects such as the High Speed 2 railway line.

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Coca Cola Volunteers

Get involved

Find out how you can join in with the variety of activities on offer within Colne Valley Regional Park.

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Canal

Projects

Implementing a number of projects that help achieve the objectives of the Colne Valley Regional Park.

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Black Park

Things to do

Whether you are looking for a way to entertain the family, get active in the countryside or simply relax.

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Colne Valley Visitor centre

Visitor centre

Located in Denham Country Park near Uxbridge, this is the central information point for the Colne Valley Regional Park.

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Bigley Ditch

Learn about Bigley Ditch, one of the branches of the lower Colne, a fascinating part of the catchment with a very rich history.
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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.
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Ridding the River Alderbourne of Invasive Species

A partnership project to improve the health of the river Alderbourne, particularly focussing removal of the invasive species skunk cabbage.
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Building near Railway Stations

There is growing discussion about encouraging large scale housebuilding in the Green Belt next to railway stations. If this happens, we argue that it must be designed to allow easy access to the countryside for people travelling out of the city by train.
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Christmas around the Colne Valley Regional Park

This Christmas why not consider increasing quality time together, encourage outdoor activity or begin a journey of wildlife love and discovery. Take your family outside this December and celebrate Christmas traditions outside in nature.
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Some local literary treats

After a bracing winter walk in the Colne Valley, what could be nicer than curling up with a good book? We’ve got a few suggestions you may wish to add to your reading list. All are of local interest and full of fascinating stories and information.
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