The Big River Watch: Citizen science observation any river near you
Improves health of rivers near you
Location
A river near youAny GoodGym region
Anywhere
Date and time
17:45 - 18:00Twice a year, The Rivers Trust run a Big River Watch, and the next one will take place between 24th and 30th April 2026.
GoodGym are teaming up with them to help build an important picture of the health of our local rivers. Citizen science in action!
Our rivers are far from healthy. They're polluted with sewage, plastic, chemicals and nutrients, and just 15% of river stretches in England are in good overall health.
To restore them, The Rivers Trust needs more information about how they're doing. You can help them to identify and locate the problems, and to influence policymakers and hold polluters to account.
Taking part is simple and can be done during your runs, walks, or group missions:
✅ Download the free Big River Watch app (available in English and Welsh): https://theriverstrust.org/take-action/the-big-river-watch
✅ Spend 15 minutes at a local river near you.
✅ Complete a quick survey about what you see—pollution, wildlife, and more.
NB this can be done any time from 24 - 30 April!
How are you getting there?
Who's going
Discussion
Location
A river near youAny GoodGym region
Anywhere
Date and time
17:45 - 18:00Walkable
As you will make your own way to the task, feel free to walk or run as you wish.
Ideal for beginners
A river near you
Any GoodGym region
Anywhere
Led by Hermione Taylor
GoodGym Islington Run Leader
What to look out for
Age Restriction
GoodGym welcomes anyone aged 18 or over. If you are under 18 then you will be unable to participate in any GoodGym activity
Make sure you've read our general guidelines for safety when running and at a task.
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