All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
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...
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...
London Rivers Week 2024: Deptford Creek Fish Survey
Want to learn more about the aquatic life that calls Deptford Creek home? Then come to the Creekside Discovery Centre to help with its fish...
London Rivers Week 2024: Channelsea Conservation
Join our friends Surge Co-operative for a day of conservation work on the Channelsea River and at garden called 'Long Wall Ecology'. You will start...
London Rivers Week 2024: WaterBlitz Showcase – Revealing insights from the Marsh Dykes and Thamesmead catchment
OnlineJoin us on Monday June 24th during London Rivers Week for an exclusive online talk where we unveil the results from the recent WaterBlitz collection...
London Rivers Week 2024: Make London a ‘sponge city’ panel event
There is an urgent need to increase London’s resilience to climate change by creating major new wetland areas and an estimated 357,000 new rain gardens...
London Rivers Week 2024: Longford River Plasticblitz
The Longford is an urban river with a plastic pollution problem. Please join Thames Landscape Strategy to help litter pick this fantastic river to make...
London Rivers Week 2024: WaterBlitz Showcase – Revealing insights from the Marsh Dykes and Thamesmead catchment
OnlineJoin us on Monday June 24th during London Rivers Week for an exclusive online talk where we unveil the results from the recent WaterBlitz collection...
London Rivers Week 2024: Watervole recovery and a mink-free Britain
Join Water Life Recovery Trust for an online webinar to learn about their trailblazing partnership project to eradicate invasive American Mink from Britain. Learn about...
London Rivers Week 2024: Restoring the River Roding
Wanstead Park- The Temple Wanstead Park, London, United KingdomWelcome to London Rivers Week! This special occasion is dedicated to honoring London's rivers and recognizing London as a river city. Join us in celebrating...
London Rivers Week 2024: Greenwich – Tidal Thames fishery survey on the foreshore of Royal Naval College
The Environment Agency fishery team will carry out a fish survey at Greenwich Foreshore. This entails carrying out a seine netting, kick-samples, and measuring and...
London Rivers Week 2024: Walk from Tottenham to Enfield Lock
Join the Lee Valley Regional Park Authority for a London Rivers Week walk from Tottenham to Enfield Lock. This week's walk in the park leads...
London Rivers Week 2024: Slade Pond Water Sampling Day
Slade PondJoin us in London Rivers Week - meeting at the end of Roydene Road, SE18 19Z --- https://what3words.com/train.energy.case PLEASE REGISTER HERE: https://book.plinth.org.uk/e/sLRN9vf6nx6rRe2BI7DE Water samplers and...
London Rivers Week 2024: Citizen Science Water Quality Monitoring in the Thames Basin – Overview and Plans for the Future
Join this online webinar to find out about some of the citizen science water quality monitoring activities happening around the Thames Basin! We will also...
London Rivers Week 2024: Fungi & Rivers – The Missing Link
Fungi are usually associated with terrestrial habitats, like forests and grassland, but their role in sustaining healthy aquatic ecosystems – including rivers – is often...
London Rivers Week 2024: Bat Walk at Syon
Come for a wander in Syon Park, the only part of unembanked riverside on the Tidal Thames, in the dark and find out about our...
London Rivers Week 2024: Wade through the River Ravensbourne and Clean-Up
Join the Friends of the River Pool for a wade through the River Ravensbourne and a clean-up, as part of London Rivers Week 2024. Date...