Best lakes around Oberriet are found in the broader Alpstein region of Eastern Switzerland, with Oberriet serving as a gateway to these natural features. These mountain lakes are nestled amidst alpine scenery and are accessible from Oberriet. The area is characterized by its clear waters, unique geological formations, and diverse hiking opportunities. Visitors can explore a range of picturesque lakes, each offering distinct natural characteristics.
Last updated: June 22, 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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Even in winter with snow, Seealpsee is incredibly beautiful.
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The detour was totally worth it, what a peace and quiet
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Seealpsee is renowned for its idyllic beauty, featuring vibrant green sparkling water set against majestic mountains. It's a popular spot for hikers and offers opportunities for swimming in its clear waters. You can also rent rowboats from the Gasthaus Forelle restaurant to explore the lake. It's considered one of Switzerland's most photographed lakes. Learn more about it here: Seealpsee.
Fählensee is the third-largest mountain lake in the canton of Appenzell Innerrhoden, nestled in a narrow valley between mountain ranges like the Hundsteingrat and Roslen-Saxer-First. Its appearance changes with the weather; on sunny days, the reflections of the Alpstein's scenery are stunning. Like Sämtisersee, it has an underground outflow. The idyllic Berggasthaus Bollenwees is located directly on its shores. Find out more: Fählensee.
Lake Sämtiser, located at 1209 meters, is notable for its vibrant blue-green color and unique underground outflow, with its water reappearing in the Rhine Valley. Its water level can fluctuate significantly, even almost drying out in very hot summers. It's an inviting spot for a refreshing swim, and the surrounding area offers excellent views of the Hoher Kasten massif and down into the Rhine Valley. Discover more about Lake Sämtiser.
Yes, several lakes in the Alpstein region, accessible from Oberriet, are suitable for swimming. Both Seealpsee and Lake Sämtiser are popular for refreshing dips, especially during summer. Fählensee is also ideal for cooling off after a hike.
The region around these lakes offers diverse hiking trails, ranging from leisurely strolls to challenging alpine treks. You can find trails connecting lakes like Fählensee and Sämtisersee, and routes to Seealpsee from Wasserauen cater to various fitness levels. For more hiking options, explore the Hiking around Oberriet guide.
Yes, the lakes in the Alpstein region are generally family-friendly, especially for families who enjoy hiking. Trails to lakes like Seealpsee are popular and offer a rewarding experience for all ages, though some paths may be steep. Always check specific trail difficulties before heading out with children.
Yes, you'll find mountain inns and restaurants near some of the lakes. For instance, the Gasthaus Forelle is located at Seealpsee, and the idyllic Berggasthaus Bollenwees is directly on the shores of Fählensee, offering cozy and scenic spots to stop and enjoy the mountain world.
The summer months are ideal for visiting the lakes, especially if you plan to swim or enjoy the full alpine experience. The clear waters and lush scenery are at their best. However, the lakes offer different charms in other seasons; for example, Fählensee can appear still and dark on cloudy days, offering a different, equally beautiful perspective.
A unique geological feature of lakes like Fählensee and Lake Sämtiser is their underground outflow. Their waters flow beneath the surface and reappear in the Rhine Valley, rather than having a visible surface outlet. This contributes to the fluctuating water levels observed in Sämtisersee.
Visitors consistently praise the breathtaking natural beauty, the vibrant colors of the water, and the majestic mountain backdrops. Many appreciate the opportunities for hiking, swimming, and the serene alpine atmosphere. The presence of free-roaming cows and occasional alphorn players also adds to the quintessential Swiss alpine experience, making it a highly recommended destination for nature lovers.
Absolutely. The entire Alpstein region is rich with stunning viewpoints. For instance, there are excellent views of the Hoher Kasten massif and down into the Rhine Valley from the area around Lake Sämtiser. The View of Sämtisersee and Alpstein Mountains highlight specifically points to areas with fantastic vistas.
Beyond hiking and swimming, the broader region around Oberriet and the Alpstein lakes offers a variety of outdoor activities. You can explore challenging mountaineering routes, as detailed in the Mountain Hikes around Oberriet guide, or discover extensive mountain biking trails, which you can find in the MTB Trails around Oberriet guide.


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