Events
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Foots Cray Meadows – Managing The Reed Bed
Five Arches Foots Cray Meadows Leafield Lane, Sidcup, United KingdomJoin us at the beautiful Foots Cray Meadows by the historic Five Arch Bridge to help manage the reed beds on the River Cray. BOOK...
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Action for Silk Stream – Evening Walk through Watling and Silk Stream Parks
Watling Park Abbots Road entrance Abbots Road, Burnt Oak, BarnetThis Summer has been a scorcher, but the long, balmy evenings have been a real gift. Join us for a gentle dusk walk from Watling...
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Action for Silk Stream – River Action Day
Rushgrove Park, Western Entrance Rushgrove Park, Rushgrove AvenueJoin us for free our Action for Silk Stream monthly volunteering days. Please book here: Action for Silk Stream Volunteer Day - Thames21 Limited We...
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Hall Place & Gardens Bexley: Family River Event
Hall Place Sports Ground public car park, Bourne Road, United KingdomCome and join us for a free fun family event on the River Cray at Hall Place & Gardens! Book Here We will be holding...
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Isle of Dogs Clean Up
Newcastle Draw Dock Saunders Ness Road (by the Great Eastern pub), Isle of Dogs, London, United KingdomREGISTER HERE! Do you want to help keep the River Thames clean and healthy? Join us for an summery Sunday river clean up on the...
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River Litter Detectives at Limekiln Dock
Lime Kiln Dock Three Colt Street, London, United KingdomCome along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it...
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River Litter Detectives – Broomhouse Dock
Broomhouse Dock SW6 3EH, Junction of Carnwath Road & Broomhouse Lane, Fulham, United KingdomCome along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it...
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Action for Silk Stream – Bat Walk at Chandos Park
Chandos Park , United KingdomJoin us for a Bat Walk at Chandos Park, in Edgware Meet us at 7:30pm and join us for a walk around the park and...
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River Litter Detectives – In front of the Hurlingham Club
BOOK HERE Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and...
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Thames Road Wetland: Help Manage An Important Wetland
Thames Road Wetland Thames Road by River Cray Bridge, Barnes Cray, Crayford, United KingdomREGISTER HERE Despite its urban surroundings, Thames Road Wetland which sits within the Green Belt, is part of a Site of Metropolitan Importance for Nature...
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Join our Microplasticblitz across the Brent catchment
Various - Brent Catchment London, United KingdomREGISTER HERE Our rivers are beautiful spaces, but they can face growing challenges from plastic pollution. Join us for a group water sampling event to...
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Understanding Urban Rivers Training Course
Blue Garage Blue Garage, 30 Engate Street, Lewisham, LondonWould you like to be able to identify the signs of a healthy river? Join us as we journey through the evolution of a river,...
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Introduction to River Restoration Training Course
Blue Garage Blue Garage, 30 Engate Street, Lewisham, LondonDo you want to learn more about river restoration in London? In this course you will learn about river restoration techniques and their application in...
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Wildlife Walk: Exploring Costons Brook & Its Water Vole Potential
Pear Tree Bistro Stockdove Way, GreenfordJoin Thames21, Citizen Zoo, Ealing Wildlife Group, and Ealing Council for a free guided walk along the Costons Brook to explore the exciting potential to...
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Action for Silk Stream – River Action Day
Watling Park Watling Park, Edgware, United KingdomJoin us for our Action for Silk Stream monthly volunteering days. They will be held on the last Thursday of each month. We will be...
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Leading Action for Healthy Rivers Training Course
Blue Garage Blue Garage, 30 Engate Street, Lewisham, LondonBecome a River Guardian! This course will give you the skills and confidence necessary to plan and run safe and effective river action events in your community. It will enable you to set up...
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Roding Photography Walk and Workshop
BOOK HERE Join Thames21 and local artist Andrew Brown for an exciting river walk and photography workshop. We'll explore the scenic areas around the River Roding...
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Oxleas Woods – Slowing the Flow
Oxleas Wood Cafe Crown Woods Lane, London, England, United KingdomJoin us to turn Oxleas Woods into a flood-fighting, biodiversity-boosting powerhouse! This winter, join us for 15 fun and hands-on volunteer events as we transform...
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Oxleas Woods – Slowing the Flow
Oxleas Wood Cafe Crown Woods Lane, London, England, United KingdomJoin us to turn Oxleas Woods into a flood-fighting, biodiversity-boosting powerhouse! This winter, join us for 15 fun and hands-on volunteer events as we transform...
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Oxleas Woods – Slowing the Flow
Oxleas Wood Cafe Crown Woods Lane, London, England, United KingdomJoin us to turn Oxleas Woods into a flood-fighting, biodiversity-boosting powerhouse! This winter, join us for 15 fun and hands-on volunteer events as we transform...
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[CANCELLED DUE TO THE WEATHER] Back in Beck – River Restoration Project
High Broom Wood South Eden Park Road, England, United KingdomJoin us to bring the River Beck back to life! A total of 7 fun and interactive volunteer events will be held throughout the winter...
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Back in Beck – River Restoration Project
High Broom Wood South Eden Park Road, England, United KingdomJoin us to bring the River Beck back to life! A total of 7 fun and interactive volunteer events will be held throughout the winter...
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Big Wet Wipe Count – Autumn 2026
BOOK HERE Help protect the River Thames by measuring the impact of wet wipes deposited on its shores! Join Thames21 to gather crucial data on...
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Dollis Brook Revival – River Restoration Project
Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United KingdomJoin us to bring the Dollis Brook back to life! A total of 10 fun and interactive volunteer events will be held throughout the winter...
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Dollis Brook Revival – River Restoration Project
Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United KingdomJoin us to bring the Dollis Brook back to life! A total of 10 fun and interactive volunteer events will be held throughout the winter...
Free
All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page