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Activities

Church Gardens in Harefield Sunday Opening

Church Gardens in Harefield Sunday Opening

Sunday 29 Jun 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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Church Gardens in Harefield Sunday Opening

Church Gardens in Harefield Sunday Opening

Sunday 6 Jul 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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Harmondsworth Barn Open Day

Harmondsworth Barn Open Day

Sunday 13 Jul 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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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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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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Colne Valley Regional Park Forum 2025

The annual forum at Uxbridge Golf Course on 15th May was a really interesting day spent with our partners, explaining about our work and concerns and hearing their views on how we can work collectively to protect, promote and enhance our precious regional park.
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An Eel’s tale

Do you know what a long way eels journey to migrate? They come all the way from the other side of the Atlantic to England and then they trek all the way back again. But when they are journeying along our English rivers, what happens when someone puts an airport in their way?
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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!
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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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