News & Events

Winterbourne Management Guidance

Date: 24th March 2026

We are delighted to have supported in the creation of Winterbourne Management Guidance. Winterbournes are distinctive chalk stream habitats that flow seasonally, supporting a mosaic of Chalk Streams specialist wildlife adapted to natural cycles of wetting and drying. Despite their ecological value, winterbournes have often been overlooked in river management, leaving them vulnerable to sediment build-up, inappropriate vegetation management, and...

Ewelme Brook: Citizen science spotlight

Date: 24th March 2026

It has been a busy Spring on the Ewelme Brook! We have been working with local groups, Friends of the Watercress Beds and Benson Area Nature Group, to investigate sediment and nutrient pollution and pathways. In February, Andrew, previously trained as a MudSpotter trainer with CCSP, delivered a Mudspotter training session. MudSpotter involves going...

EA confirms closure of Chesham Pumping Station

Date: 02nd December 2025

The Environment Agency confirmed that it has revoked Affinity Water’s licence to abstract water from Chesham Pumping station earlier this month, ending months of uncertainty over the future of the site. Affinity Water voluntarily turned off their pumps at the site in 2020 to improve flows in the River Chess following years of campaigning...

SmartRivers results

Date: 24th November 2025

SmartRivers on the Hamble brook This year we conducted the first SmartRivers surveys of the Hamble, to both assess the current health of the brook and as part of baseline monitoring for planned restoration schemes. SmartRivers is a citizen science monitoring method run by Wild Fish, it involves kick-sampling to collect aquatic invertebrates with the sample sent off for laboratory...

Garden designers required!

Date: 03rd October 2025

The Chilterns National Landscape is seeking a garden designer to create a new, eco-friendly design for Chesham station garden. The award-winning garden, now managed by Chesham in Bloom volunteers, has opportunity to educate others in environmentally friendly and water conscious gardening while preserving the beloved features that make it such a special part of the...

Big Chalk: the Hamble Brook project

Date: 26th September 2025

We’re delighted that our Hamble Brook river restoration project is now featured as a case study by the Big Chalk Partership. The partnership is forging vital connections between nature recovery projects across the chalk and limestone landscapes of southern England. The Big Chalk Partnership brings together more than 150 organisations, each of which is developing and...

Latest Annual Report published

Date: 22nd September 2025

I’m delighted to introduce the Chilterns Chalk Streams Project Annual Report for 2024/25, which sets out not just the highlights of the last year but also presents a review of the Project’s achievements over the last five years. One of the highlights of the past year has to be the long-anticipated restoration of the Chess...

Chilterns Chalk Streams Project set to ‘Mend the Misbourne’

Date: 06th August 2025

The Chilterns Chalk Streams Project, which is hosted by the Chilterns National Landscape, has secured £1 million of investment from the HS2 Additional Projects Fund towards the ‘Mending the Misbourne’ programme.

Citizen Scientists Needed

Date: 14th July 2025

Citizen scientists are contributing to our knowledge of Chilterns chalk streams and monitoring the changes that are taking place. Citizen science is the involvement of the public in scientific research – from community-driven surveys to global investigations.  It relies on an army of volunteers of all ages and abilities. So, whether you have skills and...

Hundreds of children take on the Chalk Stream Challenge

Date: 07th July 2025

The River Chess Chalk Stream Challenge, launched in Autumn 2024, invites families and groups to explore chalk streams through a self-guided walk and engaging activities. Originally created by volunteers for the Watercress and Winterbournes Landscape Partnership Scheme in Hampshire, the idea was adapted for the Chess with support from the Smarter Water Catchment Project and...

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