GET INVOLVED
There are so many ways to get involved with helping to make the River Colne a nicer, healthier place for all.
Take a look below to discover what events and volunteering opportunities available.
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If you would like information in another language or have other Web Content Accessibility needs, please email emily.evans@groundwork.org.uk
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Tales of the River Amble, Cycling the Green Loop (10 June 2025)
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
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Join us for a relaxed River Amble bike ride around Watford’s 6.5-mile Green Loop, exploring rivers and green spaces at a gentle pace. Bring your own bike or rent a Beryl. All confident cyclists welcome. Under 18s must be with an adult.
Tales of the River: Ask Me Anything (30 June 2025)
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
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In 'Shaping Waters: The Basics of and biodiversity of the Colne', we will explore the fascinating relationship between river geomorphology (the shape and movement of rivers) and the biodiversity (the wide variety of plants and animals) that depends on it, with a special focus on chalk streams.
Tales of the River Amble, Cycling the Green Loop (2 July 2025)
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
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Join us for a relaxed River Amble bike ride around Watford’s 6.5-mile Green Loop, exploring rivers and green spaces at a gentle pace. Bring your own bike or rent a Beryl. All confident cyclists welcome. Under 18s must be with an adult.
Tales of the River: River Ambles - Foraging with Kev (23 July 2025) SOLD OUT
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
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This event is now sold out but to be added to the waiting list, please email adam.asquith@groundwork.org.uk
Tales of the River Festival, Oxhey Park (9 August 2025)
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
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Celebrate the heritage of the River Colne at Tales of the River – a family-friendly event with local stalls, fun activities, live performances, and free ice cream for National Lottery players. Discover stories of the river’s past and future.
Groundwork's Green Doctors ​
Groundwork’s Green Doctors provide free, one-to-one energy efficiency and money-saving advice for Hertfordshire households. Get practical guidance on reducing energy use, draught-proofing, and understanding bills. They also offer referrals to local services like debt advice and food banks.
Eligibility: over 65s, households with children under 5, benefit recipient, people with physical or mental health conditions
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Become a River Colne volunteer
We are gearing up for the next exciting phase in our works and we are on the lookout for volunteers to dive right in! Whether you're in the river in waders, moving materials or handing out tea and cakes, there's a role for everyone to make a real difference.
Tales of the River - Walk Leaders
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players.
Have a story to tell about Watford's natural, cultural or industrial heritage? Can you inspire others with your creativity and passion? We are looking for paid walk leaders to run river walks linked with the River Colne.
Tales of the River: Travelling Tales
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players. ‘Travelling Tales’ is an interactive heritage tour of the River Colne, available to community groups and schools in Watford. Our aim is to engage the residents of Watford with the history of the river and emphasise the role that the Colne has played in Watford.
Tales of the River - Ask me anything?
Brought to you by The National Lottery Heritage Fund, with thanks to National Lottery Players. Want to hear more about rivers and the Colne as part of a society meeting or school assembly? We are working with experts who can come and present to your students about what is happening to the River Colne and how we making it a safer and heathier river for all.
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Rediscovering the River Colne: Corporate Team Building and Health Walks
Multiple sites across Watford, 2023/24.
As part of the Rediscovering the River Colne, there are opportunities for businesses to get involved with practical conservation, invasive species clearances and litter picks. Enquire today to discuss pricing and availability of these opportunities.
Rediscovering the River Colne: Green Gym Conservation
Held at Watford Rugby Club on Tuesday and Thursday from 10am-1pm. Green gym is a volunteer-led group who run a range of conservation activities along the River Colne. Green Gym is free for anyone to join in, and make a difference in their local community. The activities suit all ranges of fitness.
Rediscovering the River Colne: Friends of Oxhey Park
Oxhey Park, Second Saturday of each month, 10.30am, March-November (except August). Friends of Oxhey park are a volunteer group who aim to make the park a safer and more welcoming space for families and anyone who wishes to enjoy their local area. Friends of Oxhey Park are a social group who welcome anyone that would like to take part.
Rediscovering the River Colne: Oxhey Village Walking Group
Oxhey Village Green, Every Monday at 6:30pm, Get outside and meet with a group of like-minded people to explore the local area!​ This enthusiastic and social group, open to people of all abilities, meet each Monday to walk to 5k (or however far you can go)!
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