3 events found.
outdoors
Events
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London Rivers Week 2026: River Litter Detectives at Limekiln Dock
Limekiln Dock Junction of Three Colt St/Milligan St, London, United KingdomBook your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we...
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Dollis Brook Balsam Bash
Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United KingdomBring the Dollis Brook back to life! Join us this summer in removing invasive non-native species (INNS) and litter from the Dollis Brook, supporting the...
Free -
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Dollis Brook Balsam Bash
Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United KingdomBring the Dollis Brook back to life! Join us this summer in removing invasive non-native species (INNS) and litter from the Dollis Brook, supporting the...
Free
All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page