All our events and activities are open to communities.

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

London Rivers Week 2022: Tidal Thames Fish Survey

Slug and Lettuce, Buccleuch Passage, Richmond Riverside House, Richmond

Did you know that the Tidal Thames is home to 115 different species of fish? Want to learn more about fish in the Tidal Thames?...

London Rivers Week 2022: Nature-friendly dog walk

Elmbridge Meadows Elmbridge Meadows Open Space,Elmbridge Meadows, Surbiton

  Join us down at Elmbridge Meadows Open Space for a nature-friendly dog walk along the Hogsmill River, as part of London Rivers Week 2022....

London Rivers Week 2022: Hogsmill Sewage Treatment Works Tours

Hogsmill Sewage Treatment Works Lower Marsh Lane Kingston upon Thames Surrey KT1 3BW Hogsmill Sewage Treatment Works, Lower Marsh Lane, Kingston

Ever wondered how a sewage treatment system works? Wonder no more! Join Thames Water for a tour of Hogsmill Sewage Treatment Works as part of...

London Rivers Week 2022: Future Wetlands Welly Walk

Old Palace Lane Richmond, London

A welly walk looking at potential wetland creation along the Thames as part of the Rewilding Arcadia project. Wellington boots essential. Time: 12pm-3pm Location:  Meet at...

River Action: Montrose Playing Fields (Colindale, Barnet)

Montrose Playing Fields London

Get your hands dirty to make your river cleaner! Montrose Playing Fields, by the Tramshed https://what3words.com/love.turns.natively Join us for practical conservation work on the Silk...

London Rivers Week 2022: Channelsea River Walk

Three Mills Park

Stephen Shiell and Hannah White, artists and members of Surge Co-operative, will lead a walk, talk and litter-pick along the Channelsea River, followed by an invertebrate...

London Rivers Week 2022: Creek Know-How

Deptford Creek

Explore Deptford Creek with experts and find out more about this interesting space with the Creekside Discovery Centre. Creek Know-how features in-depth information about tides,...

London Rivers Week 2022: Thames Open Day at Sands End

Broomhouse Dock Junction of Carnwath Road & Broomhouse Lane, Fulham, London

Thames21 will open up the Thames river shore - giving local communities the opportunity to explore their local stretch of river, learn about what lives there...