All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
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...
London Rivers Week 2024: Balsam Bash
Come and work with the Friends of Barnes Common on freeing the banks of the Beverley Brook from the invasive Himalayan Balsam (Impatiens glandulifera) that is spreading...
London Rivers Week 2024: Short film screening of Jack Thurgar’s ‘The Swamp’ and talk by Tom Bolton on Obscure Rivers
Walbrook Wharf 78-83 Upper Thames Street, London, United KingdomJoin us as part of London Rivers Week 2024 for a short film screening of Jack Thurgar’s ‘The Swamp’ and talk by Tom Bolton on...
London Rivers Week 2024: Southmere Lake Water Sampling Day
Southmere Lake Binsey Walk, Thamesmead, United KingdomJoin us in London Rivers Week - meeting in cygnet square by the Nest Community Library --- https://what3words.com/drum.supporter.drop PLEASE REGISTER HERE: https://book.plinth.org.uk/e/BiVSu6a3wOlx9dBb5Zsg Water samplers and...
London Rivers Week 2024: Balsam Bash in Ham
Join Thames Landscape Strategy on Wed Jun 26 2024 at 17:00 at Ham Street Car Park for an evening of fun and community spirit. Let's...
London Rivers Week 2024: The River Ravensbourne from the perspective of a Pebble
Join a geomorphologist (mud/gravel expert) for this evening walk from Ravensbourne station to Catford Bridge to understand how the shape and form of a river...
London Rivers Week 2024: Evening History Walk on Barnes Common
Join Friends of Barnes Common during London Rivers Week for an evening history walk led by its Chair, Mike Hildesley. With a focus on the...
London Rivers Week 2024: Restoring the River Ravensbourne
Celebrate London Rivers Week 2024 with us at Glassmill Pond in Bromley! Join our volunteer event as we continue our restoration work on the River...
London Rivers Week 2024: Vital Signs for Healthy Rivers Training
What makes a river healthy? Do you know what signs to look for? Come and learn about how you can spot the vital signs of...
London Rivers Week 2024: River Action Day – balsam bashing
The Meads Dryfield Road, United KingdomJoin us for our Action for Silk Stream monthly volunteering days. They will be held on the last Thursday of each month. This week it...
London Rivers Week 2024: Restoration of the Lower Crane – A River Walk
London Road Twickenham TW1 1AAJoin FORCE for a walk visiting habitat improvements on the River Crane, a river that many know already as a place to walk, relax and...
London Rivers Week 2024: Place-making and the Rivers of Lewisham – Podcasts and Report Launch
Friday 28th June, 1pm-7pm Various venues across Lewisham (please see event information and tickets for more details) Free but please book here. Join urban sociologists...
London Rivers Week 2024: Ravensbourne Photographic Pilgrimage – Source to Mouth
Ceasar's Well Caesar's Well, Keston Ponds, LondonAs part of London Rivers Week, Edwin Quast will be walking the entire length of the Ravensbourne River from its source in Keston Rise near...
London Rivers Week 2024: Aquatic Invertebrate Survey – Walthamstow Wetlands
In celebration of London Rivers Week 2024 ('London is a river city'), join London Wildlife Trust team for a morning of aquatic invertebrate surveys of...
London Rivers Week 2024: Rewilding the River Rom River Festival
Eastbrookend Discovery Centre, The Chase, Dagenham, Romford RM7 0SS Eastbrookend Country 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: Inclusive nature cycle – learn about the urgent need for more rain gardens
An exploration of sustainable urban drainage systems or SUDS. Learn more about how these can help create a ‘sponge city’ and also make our streets...
London Rivers Week 2024: Guided Walk – Walthamstow Wetlands
In celebration of London Rivers Week 2024 ('London is a river city'), join our friendly guides for a walk around the reserve where we'll explore...
London Rivers Week 2024: A Short Introduction To The Thames Estuary – Guided Walk
As part of London Rivers Week, come and join Thames Estuary Partnership for a guided walk around the Greenwich Peninsula to explore the lesser-known environmental...
London Rivers Week 2024: Ringing in Plastic-Free July
Join OXO Tower Restaurant's beach clean up group for a litter pick on the Thames foreshore, as part of a London Rivers Week 2024 special. Date:...
London Rivers Week 2024: Honouring Mama Osun
Battersea Bridge south side Battersea Bridge Road, Battersea, United KingdomWe enjoyed it so much last year that the Annual Osun River Ritual organisers and Thames21 are again inviting you to this special tribute to...
Cray River – Balsam Blitz
51.44093 N, 0.15166 E 95 Thomas Shearley Court, BexleyHimalayan 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.