Best lakes around Rüthi (SG) are primarily found in the surrounding Alpstein mountain range, as Rüthi itself is located in the Rhine Valley. This region offers diverse natural beauty and recreational opportunities for outdoor enthusiasts. While Rüthi (SG) is known for its hiking and cycling routes, it serves as a gateway to stunning aquatic destinations. The area features picturesque mountain lakes nestled amidst dramatic alpine scenery.
Last updated: May 9, 2026
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Sämtisersee, Alpstein region The picturesque Sämtisersee is located above Brülisau in the municipality of Rüte in the canton of Appenzell Innerrhoden. The Appenzell mountain lake is located at the foot of the Hoher Kasten in the Alpstein region at an altitude of around 1200 meters above sea level. The Seealpsee and the Fälensee, the other two larger lakes in the Alpstein, are each about three kilometers (as the crow flies) to the southwest. The Sämtisersee is fed by various streams, especially the Sämtiserbach. Text / Source: schweizersee.ch https://www.schweizersee.ch/saemtisersee/
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Sämtisersee at 1200 meters As with Fählensee, there is no outflow to be seen here. The water from both lakes flows underground and reappears in the Rhine Valley. Outflow or not, enjoy a refreshing swim! The water level fluctuates greatly, which is why Sämtisersee almost dries out in very hot summers. Text / Source: Appenzellerland Tourism https://www.appenzell.ch/de/alpstein/perlen-des-alpsteins/saemtisersee.html
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Bollenwees at 1471 m above sea level is a beautiful mountain restaurant directly at the Fählensee
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Very beautiful and idyllic mountain lake
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Very beautiful mountain lake at 1447 m above sea level, which, like the Sämtiser and Seealpsee, is part of the Alpstein. Ideal for cooling off after a hike. When there is no wind, the mountains are beautifully reflected in the water.
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The detour was totally worth it, what a peace and quiet
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The food was simply great!! Huge and delicious portions and the bread at breakfast was to die for!!
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The lakes around Rüthi (SG) are predominantly picturesque mountain lakes nestled in the surrounding Alpstein massif. They are known for their crystal-clear waters, often with stunning reflections of the alpine scenery, offering a tranquil and breathtaking natural experience.
Among the most beautiful lakes are Seealpsee, famous for its sparkling green waters and idyllic alpine setting; Fählensee, offering a more rugged and dramatic alpine experience; and Lake Sämtiser, where the surrounding mountains are beautifully reflected in its calm waters.
Yes, many of the lakes, particularly Seealpsee, are popular destinations for families. While access often involves hiking, the reward is a serene environment with opportunities for gentle walks around the lake, photography, and enjoying the natural beauty. Always check specific trail difficulties for younger children.
Visitors primarily enjoy hiking to and around the lakes, photography, and simply soaking in the stunning alpine scenery. The clear waters of lakes like Seealpsee and Lake Sämtiser also offer opportunities for a refreshing dip after a hike, often referred to as wild swimming.
Rüthi (SG) serves as a gateway to these lakes. While you can drive to nearby trailheads, the lakes themselves (like Seealpsee, Fählensee, and Sämtisersee) are primarily reached by hiking from various starting points in the Alpstein region. Public transport can get you to towns near these trailheads, requiring a subsequent hike.
Yes, Lake Sämtiser and Fählensee are notable for having no visible outflow; their waters flow underground and reappear in the Rhine Valley. The stunning reflections of the surrounding mountains in the calm waters of all these lakes are also a major natural highlight.
The best time to visit is typically during the warmer months, from late spring to early autumn (May to October), when hiking trails are clear of snow and the weather is most pleasant for outdoor activities. The reflections on the lakes are particularly captivating on calm, clear days.
Yes, you can find mountain inns and restaurants near some of the lakes. For example, the Bollenwees Mountain Inn is located directly at Fählensee, offering a cozy and scenic spot to stop and refresh.
The trails leading to these mountain lakes are generally considered intermediate in difficulty, requiring a good level of fitness. They traverse alpine terrain, offering rewarding views. Circular walks are often available around the lakes themselves, providing easier options once you reach the destination.
Beyond hiking, the broader region around Rüthi (SG) offers excellent opportunities for various cycling sports. You can explore numerous MTB Trails, scenic Road Cycling Routes, and diverse Gravel Biking paths, particularly in the Rhine Valley and surrounding areas.
Visitors consistently praise the stunning natural beauty, the crystal-clear waters, and the breathtaking panoramic mountain backdrops. The idyllic Swiss alpine setting, the tranquility, and the opportunities for photography and refreshing dips after hikes are frequently highlighted as the most enjoyable aspects.


Still not found your perfect lake around Rüthi (SG)? Check out the guides of these regions to see even more beautiful places.