All our events and activities are open to communities.

Corporate groups, please book with Thames21 using our corporate volunteering page

Enfield Chase Tree Care

Botany Bay Farm The Ridgeway, Enfield

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Enfield Chase Tree Care

Botany Bay Farm The Ridgeway, Enfield

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Guided Eel Riverbank Walk (Ladywell, Lewisham)

Ladywell Fields Ladywell Fields, London

Learn more about the River Ravensbourne on a guided riverbank walk! With a particular focus on the critically endangered European Eel, we will walk and...

Great British Spring Clean @ Perivale Park

perivale park Stockdove Way, Greenford, London

Please join our event at Perivale Park as part of Keep Britain Tidy’s nationwide Great British Spring Clean campaign.  Your River Brent needs you! #GBSpringClean...

Enfield Chase Tree Care

Rectory Farm

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Oxford Rivers WATERBLITZ

Port Meadow South Walton Well Road, Oxford

        Come down to Port Meadow on Friday 18th June and be part of this historic event to monitor and protect Oxford's...

Recurring

Enfield Chase Tree Care

Rectory Farm

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Headstone Manor Park – Bug life (morning session)

Headstone Manor Park Pinner View, London

In National Insect Week join naturalist Simon Braidman to explore the 'bug' life of Headstone Manor Park . Join local naturalist Simon Braidman for an...

Free

Balsam Bashing on the River Pinn

Celandine Route, Ruislip Celandine Route, Ruislip, London

Calling all Ruislip Residents- we need your help! Come and join Thames21 to have fun whilst helping to remove a very invasive plant from your...

Balsam Bashing on the River Pinn

Celandine Route, Ruislip Celandine Route, Ruislip, London

Calling all Ruislip Residents- we need your help! Come and join Thames21 to have fun whilst helping to remove a very invasive plant from your...

Himalayan Balsam Bashing- River Rom

RM70SS Eastbrook End Discovery Centre

Your River Rom Needs You! Join Thames21 and help remove a very invasive plant, Himalayan Balsam, from your local waterway, the River Rom. Himalayan Balsam...

Enfield Chase Tree Care

Rectory Farm

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Recurring

Eels Project Talk: Online

London, zoom Zoom training, London

Learn about the iconic and critically endangered European Eel!   An opportunity to learn more about the critically endangered European Eel and the work happening...

Enfield Chase Tree Care

Plumridge field Off Ferny Hill

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

Walking with nature: Wembley Park to The Welsh Harp

Wembley Park Station Wembley Park Station, Bridge Road, London

Your River Brent Needs You! Come and join us to walk and talk whilst picking litter by the River Brent. We will make our way...

Enfield Chase Tree Care

Rectory Farm

Trees for Rivers Join us as part of Enfield Council's Restoration of Enfield Chase project to help create one of London's newest woodlands. Over the...

(POSTPONED) Balsam Bashing on the River Pinn

Celandine Route, Ruislip Celandine Route, Ruislip, London

Calling all Ruislip Residents- we need your help! Come and join Thames21 to have fun whilst helping to remove a very invasive plant from your...