Before you get in
Rhaiadr Porth-llwyd
Conwy, Wales
How much rain has fallen here over the last week, and what that means for how hard this waterfall is running. Nobody tests the water at a waterfall and nobody measures its temperature, so the page says so rather than guessing. Scan the code, or type the address below.
caniswim.co.uk/waterfall/rhaiadr-porth-llwyd/
Free, with no adverts and nothing to sign up for. Can I Swim? is not an official source and is not connected to any agency, council or water company. It reads published data and says plainly what is known and what is not.