Events
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London Rivers Week 2026: Perivale Park Litter Pick
Pear Tree Bistro Stockdove Way, GreenfordJoin us for a free community litter‑picking session along the River Brent in Perivale Park as part of London Rivers Week 2026! This hands‑on event...
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London Rivers Week 2026: The East London Garden Society Boat Trip [SOLD OUT]
Three Mills Park, E3 3DUJoin The East London Garden Society for a boat trip as part of London Rivers Week 2026. Hop on board for a chill boat trip...
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London Rivers Week 2026: Source to Sea: Walking the Ravensbourne (Part 2)
Ravensbourne Rail StationTo mark London Rivers Week, join Creekside Discovery Centre on this special two-part free walk following the Ravensbourne River from its source to where it...
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London Rivers Week 2026: Thames Tideway walk – Vauxhall Bridge to Blackfriars (two sessions) [FULLY BOOKED]
Get your walking boots on and join this FREE guided walk along three public realm sites of the Thames Tideway Tunnel - their design, engineering...
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London Rivers Week 2026: Thames Tideway walk – Blackfriars to Vauxhall Bridge (two sessions) [FULLY BOOKED]
Get your walking boots on and join this FREE guided walk along three public realm sites of the Thames Tideway Tunnel - their design, engineering...
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London Rivers Week 2026: Barnes Common Riverside Walk [FULLY BOOKED – WAITLIST AVAILABLE]
Barnes BridgeJoin Barnes Common Limited for a free riverside walk as part of London Rivers Week 2026. A walk along the Thames Path via Leg O'Mutton...
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London Rivers Week 2026: Introduction to MoRPh CSci training event
4th Ruislip Scout Hut West End RoadAs part of London Rivers Week, Cartographer are hosting a free, open, in-person 'Introduction to MoRPh' training. This one-day training course will teach you how...
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London Rivers Week 2026: Morden Hall Park Family Craft and River Dipping Experience Day
Morden Hall Park Morden Hall Rd, MordenCelebrate London Rivers Week with a FREE fun, hands-on morning by the River Wandle! Join Thames21, the National Trust and its Urban Rangers, and creative...
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London Rivers Week 2026: Brown Girls Summit Walk (WOMEN-ONLY WALK)
Putney Bridge Station Putney Bridge Station, London, United KingdomCLICK HERE TO REGISTER Join Brown Girls Summit for a free women-only guided walk as part of London Rivers Week 2026. Brown Girls Summit is...
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London Rivers Week 2026: Guided Walk Exploring the Industrial History of the River Wandle
Mitcham Tram Stop London Road, LondonLed by John Sheridan of the Wandle Industrial Museum, this FREE event starts at Mitcham, lets you view sections of the River Wandle, and finishes...
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London Rivers Week 2026: Honouring Mama Osun
Old Swan Wharf at St. Mary's Church, Battersea. St. Mary's Church, Battersea Church Rd,, London, United KingdomREGISTER HERE! We enjoyed it so much last year that the Annual Osun River Ritual organisers and Thames21 are again inviting you to this special...
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River Action Volunteer Day – Silkstream Park, Barnet
Silkstream ParkJoin us for free our Action for Silk Stream monthly volunteering days. Please book here: Action for Silk stream River Action Day - Thames21 Limited...
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River Action Day
Join us for free our Action for Silk Stream monthly volunteering days. Please book here: Action for Silk Stream River Action Day - Thames21 Limited...
All our events and activities are open to communities.
Corporate groups, please book with Thames21 using our corporate volunteering page