All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
River clean-up
River Litter Detectives – Riverside Studios
Riverside Studios 101 Queen Caroline StreetBook your place here Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we...
Dollis Brook Toe-boarding removal project / vegetation management
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomBelow is an example of Himalayan Balsam: very pretty purple flowers but damaging to our native habitats, and it takes over anywhere the ground is...
Dollis Brook Toe-boarding removal project / vegetation management
Dollis Valley Estate Leeside, LondonBelow is an example of Himalayan Balsam: very pretty purple flowers but damaging to our native habitats, and it takes over anywhere the ground is...
5km Run Along The River
44 Stewart St, London E14 9HA 44 Stewart Street, London, United KingdomThames21 are partnering with GoodGym to host a 5km river run on Monday 22nd January. Come join us for a new year get together, starting...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
River Litter Detectives – Riverside Studios
Riverside Studios 101 Queen Caroline StreetBook your place here Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Dollis Brook Toe-boarding Removal event series
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community. There are...
Cray River – Balsam Blitz
51.432920, 0.137835 Water Lane, London, Select a State or Province:, United KingdomIts that time again... Spring has fully sprung and we have work to do. Thames21 have for 2 years been laying the ground work to...