Thames River Watch

Events for 19th August 2026

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queenhithe

River Litter Detectives – Queenhithe

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

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...

Free

All our events and activities are open to communities.

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