Name: River Action Day
Start: 2026-07-30T11:00:00+01:00
End: 2026-07-30T15:00:00+01:00

June 2026
Dollis Brook Balsam Bash

June 17 @ 10:00 am - 2:00 pm

Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United Kingdom

Bring the Dollis Brook back to life! Join us this summer in removing invasive non-native species (INNS) and litter from the Dollis Brook, supporting the...

Free
River Litter Detectives – Poplar Rowing Club

June 18 @ 11:00 am - 1:00 pm

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

Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it...
Chiswick Eyot Conservation

June 20 @ 12:00 pm - 4:00 pm Chiswick Eyot Conservation

Chiswick Eyot, The Mall, London W4 2PR Chiswick Eyot, London, United Kingdom

Thames21 is working to restore Chiswick Eyot. BOOK HERE Information about the day: Volunteer and help us to stabilise the island from further erosion and...
River Litter Detectives – Queenhithe

June 24 @ 3:00 pm - 5:00 pm

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...
River Action Volunteer Day – Silkstream Park, Barnet

June 25 @ 11:00 am - 3:00 pm

Silkstream Park

Join us for free our Action for Silk Stream monthly volunteering days. Please book here: Action for Silk stream River Action Day - Thames21 Limited...
July 2026
Riverfly Training

July 1 @ 9:45 am - 4:30 pm

Salisbury House Bury Street West

Thank you for your interest in becoming an Urban Riverfly Monitor! For more information about the Urban Riverly scheme, which was developed by the Riverfly...

Free
Dollis Brook Balsam Bash

July 14 @ 10:00 am - 2:00 pm

Dollis Brook, Whetstone Stray 21 Longland Drive, Barnet, United Kingdom

Bring the Dollis Brook back to life! Join us this summer in removing invasive non-native species (INNS) and litter from the Dollis Brook, supporting the...

Free
River Action Day

July 30 @ 11:00 am - 3:00 pm

Join us for free our Action for Silk Stream monthly volunteering days. Please book here: Action for Silk Stream River Action Day - Thames21 Limited...