Help us to survey the aquatic plants growing in and along the tidal lower river Lea. Learn about aquatic plant ecology and identification.
Friday, Sep 18th: 10 am – 4 pm
Free events
Join us for a hands-on citizen science session exploring the aquatic plants of the River Lea at Cody Dock.
Working alongside experienced survey leaders, you’ll help identify and record the plants growing in and around the river. Your observations will contribute to a better understanding of local biodiversity and support the ongoing conservation and restoration of this unique urban waterway.
Some previous experience in botany is desirable, but our staff will provide guidance on plant identification, survey methods, and data recording throughout the session.
What to expect:
- Learn how to identify common aquatic and marginal plants.
- Take part in a real ecological survey.
- Discover the wildlife and ecology of the River Lea.
- Meet like-minded volunteers and contribute to local conservation.
What to bring:
- What we’re looking for from our volunteers:
- An interest in biodiversity/ecology/botany
- This event is 18+ years only
- Bring a reusable water bottle and/or coffee cup, and a packed lunch or money for the cafe.
Meeting point: Cody Dock
Please arrive 10 minutes before the start time so we can begin with a short safety briefing.
Whether you’re an experienced naturalist, a student looking to gain field skills, or simply interested in learning more about London’s rivers, everyone is welcome.
Come and help us uncover the hidden botanical diversity of the River Lea while making a valuable contribution to community-led environmental monitoring.
First time at Cody Dock?
Please complete our Volunteer Agreement and arrive at 10.00 am for a mandatory site induction!
How to get to Cody Dock
- Cody Dock is a 6 minute walk from Star Lane DLR Station. The DLR is a fully accessible public transport network with step-free access into all stations. Use the Stephenson Street exit from Star Lane station (the exit to the left) when departing from the platform.
- Cody Dock is a 4 minute walk to the 323 bus stops (South Crescent Business Centre (Stop H) and North Crescent Business Centre (Stop J).
- Parking reserved for those with special access needs: On-site parking available upon request in advance. Please contact the event manager in advance.
Please be advised that street parking Monday – Saturday 8 am – 6.30 pm is paid by phone with a max stay of 4 hours.






































