Track water temperatures of more than 80 lakes across the Alps — Switzerland, France, Italy, Austria, Germany and Slovenia. Get notified when your favourite lake becomes swimmable, when it cools down, or when the temperature changes meaningfully throughout the day.
Powered by Eawag's Alplakes scientific lake simulations, with no cloud dependency, no account, and no fees. Pair one device per lake, set your swim threshold, and let your flows do the rest. Temperatures are indicative simulation data — always check local safety notices before swimming.
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