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  • London Rivers Week 2025: Elmbridge Meadows Guided Walk

    Elmbridge Meadows Elmbridge Meadows Open Space,Elmbridge Meadows, Surbiton, United Kingdom

    Please book your FREE place here! Join our friends South East Rivers Trust for a leisurely stroll along the Hogsmill, from the north end of...

  • Chiswick Eyot Conservation Days

    Book here: https://book.plinth.org.uk/e/MUlH725r8YbOZmQXVycV Thames21 are working to restore Chiswick Eyot. Information about the day: Volunteer and help us to stabilise the island from further erosion...

  • Volunteers standing on the foreshore.

    River Litter Detectives – Queenhithe

    Queenhithe, City of London by the Queenhithe Mosaic, City of London, London, United Kingdom

    Book your place HERE! Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we...

  • Isle of Dogs River Clean Up

    Millwall Slipway Westferry Road, England, United Kingdom

    BOOK HERE Do you want to help keep the River Thames clean and healthy? Join us at Millwall Slipway on the Isle of Dogs (E14...

  • Action for Silk Stream – River Action Day

    Montrose Playing Fields London, United Kingdom

    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...

  • Newcastle Draw Dock Community Clean Up

    Newcastle Draw Dock Saunders Ness Road (by the Great Eastern pub), Isle of Dogs, London, United Kingdom

    Join us at Newcastle Drawdock on the Isle of Dogs (DRAW DOCK, Saunders Ness Rd, NEWCASTLE E14) on Friday 27th June for a community river...

  • River Litter Detectives – Bishop’s Park

    Bishops Park Bishop's Ave

    BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we...

  • Chiswick Eyot Conservation Days

    Book here: https://book.plinth.org.uk/e/MUlH725r8YbOZmQXVycV Thames21 are working to restore Chiswick Eyot. Information about the day: Volunteer and help us to stabilise the island from further erosion...

  • Action for Silk Stream – River Action Day

    Rushgrove Park, Western Entrance Rushgrove Park, Rushgrove Avenue

    Join us for our Action for Silk Stream monthly volunteering days. This month we will be at one of our project sites in Barnet. We...

  • Surrey Docks Community Clean Up & River History

    Durand's Wharf Durand's Wharf, London, Select a State or Province:, United Kingdom

    CLICK HERE TO REGISTER Do you want to help keep the River Thames clean and healthy? Join us at Surrey Docks Farm by the riverside...

  • River Litter Detectives – Broomhouse Dock

    Broomhouse Dock SW6 3EH, Junction of Carnwath Road & Broomhouse Lane, Fulham, United Kingdom

    Book your place here Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find...

  • River Litter Detectives – Bishop’s Park

    Bishops Park Bishop's Ave

    BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find...

  • An Introduction to River Restoration Two-Day Training Course

    Tump 53 Nature Reserve Centre Bentham Rd, Thamesmead, United Kingdom

    Follow this link to book a place: An Introduction to River Restoration Training Course Please note this is a two-day course. Friday 22nd August, 10am...

  • Action for Silk Stream – River Action Day

    The Meads Dryfield Road, United Kingdom

    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...

  • Totally Thames: River Litter Detectives – Limekiln Dock

    Limekiln Dock Junction of Three Colt St/Milligan St, London, United Kingdom

    Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we...

  • Plasticblitz 2025 – Results & Reflections webinar

    Join us for a run through and recap of this year’s Plasticblitz event, where we’ll be discussing: Key data and discussions; Event feedback; Ideas for future Plasticblitz’s;...

    Free

  • Watling Park Celebration Day

    Watling Park Watling Park, Edgware, United Kingdom

    We are pleased to invite you to the official opening of the park following the completion of the Action for Silk Stream project. The day...

  • Totally Thames: River Litter Detectives – Poplar Rowing Club

    Poplar, Blackwall & District Rowing Club Poplar, Blackwall & District Rowing Club, London, United Kingdom

    Please book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter...

All our events and activities are open to communities.

Corporate groups, please book with Thames21 using our corporate volunteering page