Best lakes around Fischen im Allgäu are set within the Allgäu region, characterized by its mountainous landscape and numerous natural lakes. This area offers diverse aquatic environments, from high-mountain lakes to larger bodies of water suitable for various activities. The region's geography provides a backdrop of forests and meadows, making it a destination for outdoor exploration centered around its water features. Many lakes in the area are known for their clear waters and natural settings.
Last updated: July 6, 2026
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At the bottom of the lake there are karst springs, which ensure the crystal-clear water and ensure that the lake never freezes over in winter.
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The Freibergsee is located at an altitude of 930 meters. With a water surface of around 16 hectares, it is the largest high mountain lake in the Allgäu. The Freibergsee has no visible inflows or outflows. Its periodically fluctuating water level is regulated by underground inflows and outflows. The lake was formed during the ice ages when the ice masses of the Stillach glacier towered 700 to 800 meters high above the current location.
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The Freibergsee is located at 930 m above sea level. With around 16 hectares of water surface, it is the largest high mountain lake in the Allgäu Alps. The Freibergsee has no visible inflows or outflows; its periodically fluctuating water level is regulated by underground flows. The lake was formed during the ice ages, when masses of ice from the Stillach glacier piled up 700 to 800 m high above the current location.
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The Freibergsee natural pool is a good recommendation for nice weather!
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Fantastically located very cold mountain lake in an idyllic location that is not difficult to reach
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The Moorweiher on the Dienersberg is fantastically beautiful in the landscape. Many water lilies can be found on the pond.
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From the small bridge on the lake circular path there is a great view of the crystal-clear Christlessee.
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The Gaisalpsee is in a fantastic location below the Rubihorn and is a great place, especially in spring. Up here there is usually snow for a long time.
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For swimming, the Freibergsee is a popular choice, known as Germany's southernmost natural swimming pool. It's accessible after a 30-minute hike and offers official bathing areas with restaurants. The Lower Gaisalp Lake is also suitable for swimming in summer, though its waters are naturally cold. The Großer Alpsee and Niedersonthofener See also feature designated swimming areas.
Yes, the Auwaldsee in Fischen-Au offers a roughly one-kilometer long circular path that is ideal for walks, even with a stroller. The Freibergsee also has a lake circuit path, and the Niedersonthofener See features a well-maintained 7.4-kilometer path around the lake, perfect for a day trip.
The Großer Alpsee, located about 14.3 km from Fischen, is a haven for water sports enthusiasts. Its valley location and east-west orientation provide ideal wind conditions for sailing, surfing, and kitesurfing. The Niedersonthofener See is also popular for rowing and sailing.
The Lower Gaisalp Lake is praised for its wonderful nature and is less crowded, despite being somewhat challenging to reach. The Moor Pond, located above Oberstdorf, is also known for its pure tranquility and lush vegetation.
Several lakes in the region are excellent for fishing. The Auwaldsee is a popular spot due to its rich fish stock. The Großer Alpsee is a rich fishing ground for species like perch, pike, carp, and eel. The Kleiner Alpsee is known for its diverse fish population including pike, perch, char, and trout. Additionally, the Niedersonthofener See and Grüntensee offer good fishing opportunities.
The Lower Gaisalp Lake offers rewarding experiences for those seeking natural beauty, including views of the Gaisalpsee waterfall. The Freibergsee provides magnificent reflections of the Allgäu High Alps, especially in the morning. The Grüntensee also offers expansive views over the Oberallgäu.
The Christlessee is unique for its crystal-clear, spring-fed water that never freezes, maintaining a constant temperature of four to six degrees year-round. It's a protected area providing drinking water quality.
Beyond swimming and walking, the region offers various outdoor activities. You can find numerous MTB trails, road cycling routes, and mountain hikes. For example, a difficult mountain hike leads from the Lower Gaisalp Lake to the Rubihorn Summit.
Yes, near the Christlessee, you'll find the Café Christlessee, which is a good spot for a break. The Freibergsee has restaurants at its official bathing areas, and the Großer Alpsee offers numerous restaurants and beach bars.
For swimming and water sports, July and August are ideal when temperatures are warmer. However, the lakes offer beauty year-round. The Christlessee, fed by springs, never freezes, making it a beautiful sight even in winter, though too cold for swimming.
The Auwaldsee in Fischen-Au features a roughly one-kilometer circular path that is suitable for strollers. The Niedersonthofener See also has a well-maintained and signposted 7.4-kilometer path around the lake, which is generally easy to navigate.


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