Spring nature walk along the Silk Stream Way

Burnt Oak Tube Watling Avenue, England, United Kingdom

The Silk Stream Way is a new trail that has been mapped out, enabling you to walk along the route of the Silk Stream and...

Action for Silk Stream – Silk Stream Spring Walk

Burnt Oak Tube Watling Avenue, England, United Kingdom

Join us for a 2h guided walk from Burnt Oak tube station to the Welsh Harp reservoir Walking through Silk Stream Park, Montrose Park and...

Thamesmead Pennywort Removal

Join us for an important conservation effort in Thamesmead as we team up with Peabody and the Environment Agency to combat the invasive floating pennywort...

An Introduction to River Restoration – Two Day Training Course

Welsh Harp Enviornmental Education Centre Birchen Grove, London, United Kingdom

An Introduction to River Restoration Training Course Please note this is a two-day course. 10am – 4pm, Friday 21st AND Saturday 22nd March 2025 Venue:...

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 be collecting the litter we...

Vital Signs of Healthy Rivers training – Dollis Brook

St Pauls Finchley Church Long Lane, London, Greater London, United Kingdom

Course overview: Would you like to be able to identify the vital signs of a river and understand how to ‘health check’ your local river?...

River Litter Detectives – Limekiln Dock

Limekiln Dock Junction of Three Colt St/Milligan St, 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...

Dollis Brook Toe-boarding Removal PHASE 2

51°37′49″N , 000°10′48″W Totteridge Lane, London, Greater London, United Kingdom

THAMES21 are back! Continuing the successful toe-boarding removal on the Dollis Brook.  

Free

Action for Silk Stream – River Action Volunteer Day

Watling Park Watling Park, Edgware, United Kingdom

Join us for our Action for Silk Stream monthly volunteering days. They will be held on the last Thursday of each month. Activities will include...

Thames Road Wetland – Habitat Management CANCELLED

Thames Road Wetland Thames Road by River Cray Bridge, Barnes Cray, Crayford, United Kingdom

Volunteering 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...

Free

Citizen science training: Oxford’s rivers and streams

Makespace Oxford Makespace, 1 Aristotle House, Oxford, United Kingdom

Are you concerned about pollution of the Thames/Isis and other rivers and streams in Oxford? Do you have some time to spare (30 mins per...

Big Wet Wipe Count

Thames foreshore by Hammersmith Bridge south side Riverview Gardens, London, United Kingdom

Book 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 0LX

Join 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 Kingdom

Volunteering 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...

Free

All our events and activities are open to communities.

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