Insider tips: Switzerland's most beautiful mountain lakes

Linda Carstensen, 23.07.2025

You can see the mountain peaks reflected in the lake, take a dive into the icy blue – and for a moment, time stands still. Swiss mountain lakes are the perfect retreat on hot days. We’ll show you the most beautiful ones – and share a few well-kept secrets.

Mountain lakes are among the most impressive natural wonders in Switzerland - and are popular excursion destinations, especially in summer. Whether hiking, swimming or taking photos: These lakes offer unforgettable experiences for the next sunny days in the Swiss Alps.

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Insider tips: Switzerland's most beautiful mountain lakes