All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page
London Rivers Week
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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...