Best natural monuments around Andiast are found within the Surselva Region of the Swiss canton of Graubünden. This area is characterized by its diverse high-alpine environment, featuring significant geological formations and impressive natural features. The landscape offers a range of experiences, from accessible stream landscapes to challenging mountain ascents. It provides insight into natural processes and human interaction with the environment.
Last updated: June 26, 2026
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super pretty here , very nice
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The Muttsee (formerly Mutten See, Muttensee) is a reservoir on the Muttenalp in the southernmost part of the municipality of Glarus South in the canton of Glarus in Switzerland.
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In 1957, the newly founded Kraftwerke Linth-Limmern AG (KLL) began to realize the power plants that had been planned since the beginning of the 1940s by the Nordostschweizerische Kraftwerke (NOK), into which the Muttensee was to be integrated.
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Until 1917, the official name was "Mutten See", then the spelling "Muttensee" appeared. From 1963, the spelling "Muttsee" appeared. The Hühnerbühl is now known in dialect as Hüenderbüel.[3] The kidney-shaped mountain lake was about 1000 meters long and 400 to 500 meters wide. On the Muttenalp plateau known as Hühnerbühl, it covered an area of about 42 hectares. The height of the lake surface was given as 2442 m until 1899, and 2448 m from 1900 to 1962. In the southeast, the lake was drained by a stream, which after a few hundred meters, at about 2400 m, disappeared into the Muttsee cave in the karst subsoil of the Muttenalp.[6] A little to the south, from about 2450 m, the Muttenbach collected the snow water from the Latten via various small tributaries.[5] It led this into the Limmernbach via the Mörthal and the Ochsenblanken.
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The lake is registered in the cantonal landscape register as a landscape of regional importance.[4] In the karst area of the Muttenalp there are - in addition to the Muttsee cave and the Muttsee hut - various other small lakes, most of them distributed southwest of the Muttsee over the Hüenderbüel. The largest neighbor, the Ober See, lies north of the Muttsee at 2474 m. It is the only lake on the Muttenalp that is connected to the Muttsee via its outflow.
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The lake is located at the crossing from Linthal-Tierfehd over the Kistenpass to Brigels. It lies in the 2.95 square kilometer basin of the Muttenalp above the Hüenderbüel. The alp is surrounded by high mountains such as Nüschenstock (2892 m) in the west, Rüchi (2849 m) in the northwest, Hinter Sulzhorn (2737 m) in the northeast, Ruchi (3105 m) in the east and Muttenstock (3088 m) in the southeast. The arena opens to the southwest. It drops steeply over the Muttenwand into the Limmerental and over the Muttenchopf (2482 m) to the Limmerensee.
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As part of significant expansion measures for the power plants between 2009 and 2017, the dam built in 1963 was replaced by a concrete dam wall. This has a length of 1054 meters, making it the longest dam wall in Switzerland. The water level reaches a height of 2474 m when fully filled. This makes the Muttsee the highest reservoir in Switzerland, with a capacity of more than 10 million m³. The highest reservoir under the supervision of the federal authorities is the Viderjoch reservoir in the Silvretta Arena, which lies at 2664 m.[1][2] Since 2021, the largest alpine photovoltaic system in Switzerland has been under construction on the dam wall.
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The original mountain lake has been integrated into the concept of energy generation through hydropower of the Linth-Limmern power plants since 1968.
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The region around Andiast is rich in geological wonders. A must-see is the Sardona Tectonic Arena UNESCO World Heritage Site, which offers exceptional insight into mountain formation and plate tectonics, featuring the distinctive Tschingelhörner and the famous Elmer Martinsloch. Another fascinating site is the Kärpfbrücke Natural Bridge, a naturally occurring arch formed by erosion, where you can even explore a cave at low water levels.
Yes, the Berglistüber Waterfall is considered family-friendly and easily accessible, just five minutes from the Klausenpassstrasse. You can even walk behind the 44-meter cascade. Additionally, the Bachlandschaft Ladral, a stream landscape, offers a gentle and accessible natural experience suitable for strollers.
For spectacular panoramic views, a challenging ascent to Kistenstöckli is highly recommended. Its flat top provides expansive vistas after a steep climb from the Bifertenhütte. The Andiaster Alpen also offer continuous beautiful panoramas across mountain pastures for hikers seeking broad natural beauty.
The area around Andiast is perfect for various outdoor activities. You can find numerous mountain hikes, such as routes around the Muttsee and AlpinSolar Plant, or the challenging Kistenstöckli Summit loop. For more options, explore the Mountain Hikes around Andiast guide. Cycling enthusiasts can also discover routes like the 'Old Versamer Tobel Bridge' or 'Falera – Rheinschwelle' loops, detailed in the Cycling around Andiast guide.
Yes, the high-alpine environment around Andiast offers opportunities for wildlife observation. The area surrounding the Biferten SAC Hut, for instance, is known for its natural beauty and wildlife, with ibex colonies often visible. Bringing binoculars is recommended for a better experience.
The best season largely depends on the activity. Summer and early autumn are ideal for hiking and exploring high-alpine areas like Kistenstöckli and the Muttsee Reservoir, when trails are clear of snow. Waterfalls like Berglistüber Waterfall are impressive during spring and summer when water flow is high. For exploring the Kärpfbrücke Natural Bridge cave, low water levels are required, which typically occur outside of peak snowmelt or heavy rain periods.
The Muttsee Reservoir is a prime example. While originally a mountain lake, it has been integrated into a hydropower energy generation concept since 1968. It features the longest dam wall in Switzerland and is the highest reservoir when fully filled. Since 2021, Switzerland's largest alpine photovoltaic system has been under construction on its dam wall, showcasing impressive engineering in a high-alpine setting.
For most hikes, especially to higher elevations or challenging sites like Kistenstöckli or Kärpfbrücke Natural Bridge, sturdy hiking boots are essential. Layers of clothing are advisable due to changing mountain weather. For the Kärpfbrücke, some scrambling experience might be helpful due to slippery rocks. Always carry enough water, snacks, and a map or GPS device. Binoculars are recommended for wildlife viewing near the Biferten SAC Hut area.
Absolutely. The ascent to Kistenstöckli from the Bifertenhütte is steep and partly exposed, with sections secured by chains, making it suitable for experienced hikers. The Kärpfbrücke Natural Bridge also involves challenging terrain with slippery rocks and requires some scrambling experience, especially if you venture into the cave.
Visitors frequently praise the stunning panoramic views from summits like Kistenstöckli and the unique experience of walking behind the Berglistüber Waterfall. The impressive scale and engineering of the Muttsee Reservoir in its high-alpine setting also receive high acclaim. The geological significance of the Sardona Tectonic Arena is also a major draw for those interested in natural history.
While not explicitly listed as a 'monument,' the Andiaster Alpen offer extensive and challenging hiking experiences with continuous beautiful panoramas, providing a rewarding visit for those seeking expansive natural beauty away from the most popular spots. The Bachlandschaft Ladral also offers a serene and accessible natural experience for a quieter outing.


Extend your search for the best caves by checking out these guides of the top ones around Andiast: