River Litter Detectives – Broomhouse Dock
Broomhouse Dock SW6 3EH, Junction of Carnwath Road & Broomhouse Lane, Fulham, United KingdomBook your place here Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we...
Vital Signs for Healthy Rivers Training – River Ravensbourne
Book your free place by clicking this link. Would you like to be able to identify the vital signs of a river and understand how...
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 KingdomCome join us this half term holiday for FREE activities at the Welsh Harp Environmental Education Centre. These activities are part of the Action for...
Sands End River Clean Up & Litter Detectives
Broomhouse Dock SW6 3EH, Junction of Carnwath Road & Broomhouse Lane, Fulham, United KingdomCome along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it...
Action for Silk Stream – River Action Day
Silk Stream Park wetland Silk stream park wetland, BarnetJoin 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 – SOLD OUT
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 2025: River Litter Detectives – Poplar Rowing Club
Poplar, Blackwall & District Rowing Club Poplar, Blackwall & District Rowing Club, London, United KingdomPlease book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the...
London Rivers Week 2025: Memorial Park Wetland Improvement Day
Memorial Park, 212 Chingford Mount Road, London E4 8LRCome and join us for a practical wetland maintenance session in Memorial Park as part of London Rivers Week 2025! We'll be removing excess reeds...
London Rivers Week 2025: Morden Hall Park Walk
Join us for a FREE guided walk around Morden Hall Park and take in the fantastic views of the River Wandle. We will start at...
London Rivers Week 2025: River Clean Up with Nicola White – SOLD OUT
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: Bostall Woods Spring Walk
Bostall Woods Rangers Compound London, England, United KingdomBOOK HERE Date: 31st May 2025 Time: 10:00 - 12:00 Location: Bostall Woods Rangers Compound Google Maps What3words - ///cowboy.intro.string Contact: Toby (07968 805751 //...
London Rivers Week 2025: Pymmes Brookers – Plasticblitz
Waterfall Walk Osidge LaneJoin the Pymmes Brookers for this year's London Rivers Week and Plasticblitz! They'll be carrying out a clean-up at Waterfall Walk. All of the necessary...
London Rivers Week 2025: We the Lea walk
New community action group Clean Up the River Lea (CURL) invite you to FREE walk the Lee Valley and help protect one of London's most...
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 – SOLD OUT
Fulham Reach Boat Club Chancellor's Road, London, England, United KingdomIn honour of London River Week 2025, join London Sports Trust in a Thames FREE waterway clean up from the comfort of a kayak! Are...
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: Riverscapes and the conversations that flow inbetween
Celebrate the River Lea – A Waterside Gathering at Cody Dock Join Cody Dock for a relaxed event to mark the end of We The...
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 FREE day of craft activities for children which will involve sitting...
London Rivers Week 2025: A Short Introduction to the Thames Estuary – Guided Walk – SOLD OUT
Olympian Way London, England, United KingdomAs part of London Rivers Week, come and join our friends Thames Estuary Partnership for a FREE guided walk around the Greenwich Peninsula to explore the...
London Rivers Week 2025: The Brent River Walk
Meet outside Boston Manor Tube Station , United KingdomThis special London Rivers Week FREE walk is jointly organised by West London Ramblers, the Brent River and Canal Society and their action group CURB...
London Rivers Week 2025: Community Clean-up at Montrose Playing Fields
Montrose Playing Fields London, United KingdomJoin the Burnt Oak Nepalese Community and the Friends of the Silk Stream for a litter-pick session along the Silk Stream at Montrose Playing Fields...
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...
All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page