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Activities

Harmondsworth Barn Open Day

Harmondsworth Barn Open Day

Sunday 27 Apr 2025

The Great Barn, Harmondsworth Barn, Harmondsworth

Explore this medieval barn on the former Manor Farm in the village of Harmondsworth, in the London Borough of Hillingdon, it is open from 11am to 4pm on the second and fourth Sundays of the month.

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Church Gardens in Harefield Sunday Opening

Church Gardens in Harefield Sunday Opening

Sunday 27 Apr 2025

Discover Harefield’s secret gardens: Church Gardens are a family restoration project open to the public on Sunday afternoons, 12-5pm, from April 27th–October 19th and on Bank Holiday Mondays 11am- 5pm

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Spring Flowers Walk in Ruislip Woods

Spring Flowers Walk in Ruislip Woods

Monday 28 Apr 2025

Ruislip Lido Woodland Centre, Ruislip

A guided stroll organised by Hillingdon Council in Ruislip Woods. Hoping to see bluebells.

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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

It’s time! Big Give’s wild sale is on!

From 22-29 April - One donation, twice the impact. Help us protect The Colne Valley Regional Park - Countryside on your doorstep!
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Your Countryside in Crisis – a call for action!

The Colne Valley Regional Park is amongst the most pressurised parts of the Green Belt.  The Green Belt is seen by the market as a good development opportunity as there is a vacuum of policy addressing development pressures/‘needs’.

We have been advocating solutions over the last few years and are grateful to those in positions of power who have listened, understood and acted. But unfortunately our efforts to promote proper political understanding and buy-in are still not cutting through with key decision-makers. Therefore we have launched a campaign.

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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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Access improvement for road users through Denham woodland and Misbourne Valley

Thanks to funding from the Reese Jeffrey Road Fund, the Colne Valley Park Team have been able to improve access for road users and encourage them to explore beyond the roadside verge thanks to new interpretation boards.
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It’s time! Big Give’s wild sale is on!

From 22-29 April - One donation, twice the impact. Help us protect The Colne Valley Regional Park - Countryside on your doorstep!
Read more
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Celebration at Annual Colne Valley Park Friends Meeting

The Annual Friends meeting was held on Monday 17th March 2025 at the Visitor centre in Denham. This was a fun meeting to attend as the main purpose was a celebration to say thank you!
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Partners join together for a litter pick by the Slough Arm Grand Union Canal

On the 13th March we had another successful litter pick session, where we teamed up with the Canal and River Trust, Friends of the Colne Valley Park, Friends of the Slough Arm, Hillingdon Litter Pickers, and ACT Foundation UK. The effort and spirit was fantastic, and a great deal of litter was cleared.
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Heathrow Expansion – the Colne Valley Regional Park’s position

We remain publicly and determinedly opposed to the plans to expand Heathrow Airport, which will cut the Park in two, changing it for ever. 1200 acres of Green Belt will be lost and many more hundreds of acres will be built over by displaced existing businesses, and for new facilities to serve a bigger Heathrow. What’s more, five rivers will be put into 2km-long tunnels or diverted, cutting connections for wildlife between the internationally-rare chalk streams of the Chilterns and the Thames.
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Landscape Recovery in and around Horton, Wraysbury, Colnbrook & Poyle

Over the past year, the Colne Valley Park Team has been working to enhance the green spaces around Horton, Colnbrook & Poyle, and Wraysbury. Find out what we have been up to…
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