All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
Invasive Species
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...
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Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community.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...
EVENT POSTPONED Dollis Brook Toe-boarding Removal event series EVENT POSTPONED
Brook Farm Open Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomEVENT POSTPONED THAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community....
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Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community.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...
Banbury WaterBlitz Results and Social
Waitrose Community Room Banbury Southam Road, Banbury, Oxfordshire, United KingdomBook your place on plinth here. Come and join Banbury CAG, Banbury Water Vols and WI Volunteers to celebrate 150 Freshwater Watch samples in the...
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Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community.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Space Brook Farm Open Space, Car Park near Pavillion Off High Road, Barnet, United KingdomTHAMES21 are removing the outdated toe-boarding from the Dollis Brook along Brook Farm Open Space, and we need volunteer help from the community.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...
Leading Action for Healthy Rivers Training 8th & 11th March
Walbrook Wharf 78-83 Upper Thames Street, London, United KingdomTraining: Leading Action for Healthy Rivers Friday 8th & Monday 11th March 2024 We are looking to train future River Action Leaders! Take part in...
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...
Leading Action for Healthy Rivers Training 18th & 19th March
Walbrook Wharf 78-83 Upper Thames Street, London, United KingdomTraining: Leading Action for Healthy Rivers Monday 18th & Tuesday 19th March 2024 We are looking to train future River Action Leaders! Take part in...
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...
Dollis Brook – Balsam Blitz
51.643019, -0.195686This particular event we will be focusing on invasive species removal exclusively. This will involve a fairly long walk, just over 1k in waders along the Dollis Brook so a reasonable level of fitness is required for this event, and isn’t suitable for under 16’s.
Cray River – Balsam Blitz EVENT CANCELLED DUE TO HIGH WATER LEVEL DUE TO RAINS
EVENT CANCELLED DUE TO HIGH WATER LEVEL DUE TO RAINS Its that time again... Spring has fully sprung and we have work to do. Thames21...
Leading Action for Healthy Rivers Training – Beckenham Place Park
Beckenham Place Park Beckenham Place Park, LondonTraining: Leading Action for Healthy Rivers Please note: This course training session is intended for local residents of Beckenham Place Park as a priority. We...