All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
Leading Action for Healthy Rivers Training – Central London
Walbrook Wharf 78-83 Upper Thames Street, London, United KingdomTraining: Leading Action for Healthy Rivers Thursday 23rd & Friday 24th May, 2024 We are looking to train future River Action Leaders! Take part in...
River Roding water quality training
Wanstead Park- The Temple Wanstead Park, London, United KingdomThames21 will be conducting an exciting program of water quality monitoring on the River Roding this summer, and we need citizen scientists to help. We'll...
River Roding water quality training
Wanstead Park- The Temple Wanstead Park, London, United KingdomThames21 will be conducting an exciting program of water quality monitoring on the River Roding this summer, and we need citizen scientists to help. We'll...
Cray River – Balsam Blitz
51.441173, 0.149808Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
Sands End River Clean Up & Litter Detectives
Broomhouse Dock SW6 3EH, Junction of Carnwath Road & Broomhouse Lane, Fulham, United KingdomBook your place here Do you want to help keep the River Thames clean and healthy? Join Thames21 at Broomhouse Dock on the 25th May...
Chiswick Eyot Conservation Days
Chiswick Eyot Draw dock at the bottom of Chiswick Lane where it meets Chiswick Mall around the corner of Fuller’s Brewery, London, United KingdomSign up here > https://book.plinth.org.uk/e/SOFDtIgw70Gohc6XHNvd Thames21 are working to restore Chiswick Eyot. Information about the day: Volunteer and help us to stabilise the island from...
Gores Brook Introduction & Balsam Removal Event
51°32'23.0"N 0°08'29.5"E Hedgeman's Road, Gores Brook ParkTHAMES21 and Barking & Dagenham Ranger Service are embarking on a project to improve the Gores Brook through Gores Brook Park and we need your...
Action for Silk Stream – Free Half term activities at the Welsh Harp
Welsh Harp Enviornmental Education Centre Birchen Grove, London, United KingdomLet’s Go Wild at Welsh Harp! Come join us and explore the Welsh Harp Reservoir this May Half Term for FREE activities at the Welsh...
Action for Silk Stream – Free Half term activities at the Welsh Harp
Welsh Harp Enviornmental Education Centre Birchen Grove, London, United KingdomLet’s Go Wild at Welsh Harp! Come join us and explore the Welsh Harp Reservoir this May Half Term for FREE activities at the Welsh...
Action for Silk Stream – River Action Day at Watling Park
Watling Park Watling Park, Edgware, United KingdomJoin us for our Action for Silk Stream monthly volunteering days. They will be held on the last Thursday of each month. To book please...
Action for Silk Stream – Free Half term activities at the Welsh Harp
Welsh Harp Enviornmental Education Centre Birchen Grove, London, United KingdomLet’s Go Wild at Welsh Harp! Come join us and explore the Welsh Harp Reservoir this May Half Term for FREE activities at the Welsh...
Cray River – Balsam Blitz
51.441173, 0.149808Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
Leading Action for Healthy Rivers Training – West London
Kingfisher Wharf Kingfisher Wharf, 51 Townmead Rd, London SW6 2SY, London, United KingdomTraining: Leading Action for Healthy Rivers June: Sunday 9th & Monday 10th We are looking to train future River Action Leaders! Take part in Thames21's...
Chiswick Eyot Conservation Days
Chiswick Eyot Draw dock at the bottom of Chiswick Lane where it meets Chiswick Mall around the corner of Fuller’s Brewery, London, United KingdomSign up here > https://book.plinth.org.uk/e/SOFDtIgw70Gohc6XHNvd Thames21 are working to restore Chiswick Eyot. Information about the day: Volunteer and help us to stabilise the island from...
Rewilding the Rom – Beating the Balsam Back
Eastbrookend Discovery Centre Car Park Eastbrookend Discovery Centre Car Park, London, United KingdomJoin Thames21 for a day of meaningful impact and community connection as we focus on removing Himalayan Balsam from the banks of the River Rom...
Thames Road Wetland – Habitat Maintenance
Thames Road Wetland Thames Road by River Cray Bridge, Barnes Cray, Crayford, United KingdomVolunteering some time for wetland habitat maintenance is a valuable way to help the environment and safeguard fragile ecosystems. Wetlands are crucial for biodiversity and...
Dollis Brook – Balsam Blitz
51.643019, -0.195686As part of the Thames21 “Dollis Brook Toe-boarding removal Project” we were also successful in securing some funding from Affinity Water to tackle the invasive plant Himalayan Balsam. While we are...
Cray River – Balsam Blitz
51.432897, 0.137894Himalayan Balsam, an invasive plant that damages our fragile river systems, it erodes the riverbanks, outcompeting native plants and grows readily in wet condition. Sadly, it has spread quite pervasively down many UK rivers like the Cray in Bexley.
London Rivers Week 2024: Beverley Brook Lost Nature Trail
Join Friends of Barnes Common for this brilliant walk along the Beverley Brook in south-west London. The purpose of the walk is to engage the...
London Rivers Week 2024: Walk along the Mutton Brook – Pollution Issues and Hanna Checker Demo
Confluence between Dollis Brook and Mutton Brook LondonJoin us for a morning walk along the Mutton Brook where we'll discuss some of the pollution issues negatively impacting the brook and ways citizen...
London Rivers Week 2024: Guided walk around Chinbrook Meadows
Chinbrook Meadows , United KingdomIn celebration of London Rivers Week 2024 ('London is a river city'), join our friendly guides for a walk around the newly excavated wetland where...
FULLY BOOKED: London Rivers Week 2024: Mudlarking on the Thames – A Talk by Nicola White
Docklands Settlement No 2, 4a Saunders Ness Road, E14 3PS Docklands Settlement No 2, 4a Saunders Ness Road, London, Select a State or Province:, United Kingdom*FULLY BOOKED: If you wish to be placed on a reserve list, please contact Matt Dawson at matt.dawson@thames21.org.uk. If you are not registered, you will...
London Rivers Week 2024: Morden Hall Park Family Craft Experience Day
Thames21 is collaborating with the National Trust to organise a day of craft activities for children which will involve sitting by the River Wandle and...
London Rivers Week 2024: Deptford Creek Bird Survey
Join the Creekside Discovery Centre as they survey the birdlife of the Deptford Creek in South East London. We will meet at Creekside Discovery Centre...
London Rivers Week 2024: Elmbridge Meadows Community Day
Join the South East Rivers Trust on Sunday 23rd June for a day of river-themed family fun! Come and learn more about the Elmbridge Meadows...