All our events and activities are open to communities.

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


WaterBlitz – Marsh Dykes and Thamesmead

A WaterBlitz is a water sampling event that helps provide a snapshot of pollution issues across a river's catchment area. This event is for local...

Gallions Lake Wetland Discovery (Nature Forum)

Gallions Lake Tesco Mini Store 7-8 Thames Reach, London

🌿 Join Thames21 for an unforgettable evening of discovery at Gallions Lake! 🌊 📅 Date: April 25th 🕒 Time: 17:30 - 18:45 Step into the...