Water Quality Training Session for Citizen Scientists
Dolphin House Whitchurch RdAs part of the Reclaim Our Rivers project, Thames21 will be running a water quality monitoring programme this summer, sampling weekly for bacterial pollution along...
Big Wet Wipe Count
Thames foreshore by Hammersmith Bridge south side Riverview Gardens, London, United KingdomBook your place here! Help protect the River Thames by measuring the impact of wet wipes deposited on its shores! Join Thames21 to gather crucial...
Action for Silk Stream – Bat Walk
Watling Park Orange Hill entrance HA8 0LXJoin us for a bat walk in Watling Park, Burnt Oak. We will meet at the Orange Hill entrance, the entrance closest to Burnt Oak...
Thames Road Wetland – Habitat Management CANCELLED
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 play important roles in...
Action for Silk Stream – partnership meeting
Chandos Park , United KingdomQuarterly Partnership Meeting. This is an opportunity to meet the project team in person for a walk around both of the parks that have almost...
The Mill Brook from Blewbury to Wallingford: have your say
Blewbury Village Hall Heather Way, Blewbury, United KingdomWe would like to invite you to a consultation event on the Mill Brook River that runs from Blewbury to Wallingford. We are looking to...
Pre-London Rivers Week 2025: Boat trip enjoying nature in east London (SOLD OUT)
Limehouse Cut Limehouse Basin, LondonCPRE London is hosting a boating trip in East London as a pre-London Rivers Week 2025 event: https://cpre-london.eventcube.io/events/72626/boat-trip-enjoying-nature-in-east-london/ The boat trip will occur 26th May...
Action for Silk Stream – Let’s go Wild at the Welsh Harp – Half term family activities
Welsh Harp Enviornmental Education Centre Birchen Grove, London, United Kingdom
Action for Silk Stream – River Action Day
Join us for our Action for Silk Stream monthly volunteering days. They will be held on the last Thursday of each month. We will be...
London Rivers Week 2025: Pre-recorded webinar talk by Professor Sir Dieter Helm on solutions to fix our broken water system
Join as for this special, FREE, new pre-recorded special London Rivers Week 2025 webinar by University of Oxford's Professor Sir Dieter Helm on solutions to...
London Rivers Week: River Clean Up with Nicola White
To kick off London Rivers Week 2025, join Thames 21 on Saturday 31st May at Newcastle Drawdock for a river clean up with mudlark and...
London Rivers Week 2025: We the Lea walk
New community action group Clean Up the River Lea (CURL) invite you to walk the Lee Valley and help protect one of London's most important...
London Rivers Week 2025: Action for Silk Stream – Chandos Park River Celebration
Chandos Park , United KingdomThis week is London Rivers Week and what better way to celebrate the river by joining us and the Friends of Chandos Park for an...
London Rivers Week 2025: London Sports Trust Paddle and Pick
Fulham Reach Boat Club Chancellor's Road, London, England, United KingdomIn honour of London River Week 2025, join London Sports Trust in a Thames waterway clean up from the comfort of a kayak! Are you...
London Rivers Week 2025: Picnic and Water Sampling at Chinbrook Meadows
Chinbrook Meadows , United KingdomJoin the Friends of Chinbrook Meadows for a picnic at Chinbrook Meadows this London Rivers Week! This is a FREE event. Bring a blanket and...
London Rivers Week 2025: Morden Hall Park Family Craft and River Dipping Experience Day
Thames21 is collaborating with the National Trust and its Urban Rangers to organise a day of craft activities for children which will involve sitting by...
London Rivers Week 2025: The Brent River Walk
Meet outside Boston Manor Tube Station , United KingdomThis special London Rivers Week walk is jointly organised by West London Ramblers, the Brent River and Canal Society and their action group CURB (Clean...
London Rivers Week 2025: Guided walk – Wandle Discovery Day
Colliers Wood Underground Station Colliers Wood High St, London, United KingdomThe River Wandle is a fantastic river. Join Wandle Industrial Museum’s John Sheridan on a guided walk within this area. Colliers Wood station to Plough...
London Rivers Week 2025: 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...
London Rivers Week 2025: Tales from the Kyd Brook – A story-sharing workshop in Petts Wood
Petts Wood Memorial Hall 200 Petts Wood Road, Petts WoodAs part of Thames21’s London Rivers Week 2025, residents of Petts Wood are invited to join urban sociologists from the University of London for a...
London Rivers Week 2025: Beckenham Place Park Walk
Beckenham Place Park Beckenham Place Park, LondonJoin Lewisham Healthy Walks and Thames21 for a special walk and talk at the stunning Beckenham Place Park! As part of 2025 London Rivers Week,...
London Rivers Week 2025: Balsam Bash, Six Acre Meadow – Hogsmill River
Knollmead, Surbiton, KT5 9QN Knollmead, Surbiton, England, United KingdomJoin our friends at South East Rivers Trust this London Rivers Week 2025 to get stuck in on your local river. We need your help...
London Rivers Week 2025: Rivers & People – Plasticblitz
Cornmill Gardens Waterway Avenue, Lewisham, London, United KingdomJoin Rivers & People for a Plasticblitz event as part of London Rivers Week 2025. We'll be picking up and itemising litter on the riverbanks...
London Rivers Week 2025: ‘The seasonal Thames and our wellbeing’ talk by mudlark Liz Anderson
Walbrook Wharf 78-83 Upper Thames Street, London, United Kingdom'The Seasonal Thames And Our Wellbeing: An exploration of the moods and landscape of the river through mudlarking and archaeology.' Liz Anderson is a licensed...
London Rivers Week 2025: Summer Tree Walk
Hammersmith BridgeJoin charity Barnes Common for a stroll along the Thames towpath to learn about riverside trees, including the rare female Black Poplars in this area!...
All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page