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Intro

Unterwasser is a holiday resort in Eastern Switzerland. The mountain railway takes you up to Chäserrugg, a 2,262-metre peak in the Churfirsten range. At the top, dine in the summit building designed by Herzog & de Meuron and enjoy views of Lake Walen. In summer, explore the Sound Trail; in winter, head for the ski slopes.

Unterwasser at a glance

This is Unterwasser

The mountain village of Unterwasser is a starting point for hiking and skiing on Chäserrugg. It lies at just over 900 metres in the canton of St. Gallen, in the Toggenburg region between Mount Säntis and the seven peaks of the Churfirsten range.

Discover Unterwasser

The world-renowned architecture firm Herzog & de Meuron designed Unterwasser station. Here you'll find a café, tourist information and the mountain railway. From the village, it's a 10-minute walk to the Thur Waterfalls, where the Säntisthur River plunges 23 metres in two stages. At the Stofel dairy, you can buy cheeses made from cow's, sheep's and goat's milk. Its hayflower cheese is known as far away as the USA.

Hiking on Chäserrugg

A funicular and cable car take you via Iltios to Chäserrugg at 2,262 metres. The easternmost of the seven Churfirsten peaks drops steeply towards Lake Walen. Enjoy regional specialities in the summit restaurant designed by Herzog & de Meuron. On the circular trail across the Rosenboden plateau, you can see more than 500 peaks in six countries. Follow the ridge to Hinterrugg, the highest of the Churfirsten peaks.

Skiing and tobogganing on Chäserrugg

Unterwasser is part of the Chäserrugg ski area, with 50 kilometres of pistes stretching to Alt St. Johann. Skiers and snowboarders can descend from the summit via Iltios all the way to the village. At Iltios, children learn their first turns at the ski school's Kids Village. The toboggan run leads from the Stöfeli middle station via Iltios to Unterwasser. Toboggans can be hired on site.

Around Unterwasser

In summer, follow the Sound Trail to the Schwendi Lakes and bring 27 sound installations to life. Here you'll also find Klanghaus Toggenburg, a wooden building shaped like an instrument you can walk through. Further stages of the trail lead to Alp Sellamatt and Wildhaus. Down the valley, take the PostBus via Nesslau to Schwägalp, then ride the cable car up Mount Säntis.

Experience Unterwasser for less

Stay at least one night and the digital Guest Card Toggenburg gives you free travel by PostBus and train between Wildhaus and Krummenau, as well as to Schwägalp. Visitors aged 16 and over also receive a 30% discount on a single ticket with Toggenburg Bergbahnen.

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Overview
Unterwasser
Eastern Switzerland / Liechtenstein
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  • Unterwasser Iltios Cable Car "Unterwasser Chäserrugg Railway" in Toggenburg

    The funicular railway takes you from the valley station in Unterwasser to Iltios in about 8 minutes.... from CHF 22
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    valid: 22.10.2026 - 04.04.2027

    Learn more about Iltios Cable Car "Unterwasser Chäserrugg Railway" in Toggenburg
  • Unterwasser Chäserrugg ticket cable car in Toggenburg

    Let yourself be transported by a modern cable car from Unterwasser up to the Chäserrugg. At the top,... from CHF 48
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    valid: 22.10.2026 - 04.04.2027

    Learn more about Chäserrugg ticket cable car in Toggenburg
  • Wildhaus Abend-Schneeschuhwanderung

    Guided tour by trained hiking leaderHot drink and something sweetRental equipment snowshoes and... from CHF 45
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    valid: 18.12.2026 - 26.02.2027

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  • Wildhaus Tages Schneeschuhtour Frümseltal

    Guided tour with certified hiking leaderLVS (avalanche transceiver) set including instructionRental... from CHF 90
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    valid: 06.02.2027 - 14.03.2027

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  • Wildhaus Lawinenkunde: Theorieabende und Praxistage

    Organisation and leadership by Swiss Federal Diploma Mountain Guides IVBVPresentation on avalanche... from CHF 15
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    valid: 04.12.2026

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  • Wildhaus Alpstein Tarverse mit Ski

    Planning and guided tours by IVBV mountain guidesOvernight stay at Zwinglipasshüttesimple but hearty... from CHF 525
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    valid: 31.12.2026

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  • Flumserberg Freeride Course Flumserberg: from the piste to powder

    Try your first off-piste turns on the Flumserberg with a ski instructor. First, you'll practice on... from CHF 190
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    valid: 14.11.2026 - 01.04.2027

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  • Schwende Ebenalp (Äscher) cable car ticket from Wasserauen

    The cable car departs from Wasserauen to the Ebenalp in the Appenzell region. It ascends 723 meters... from CHF 24
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    valid: 22.10.2026 - 29.03.2027

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  • Schwende Thermal Paragliding 30 min in the Alpstein

    During this thermal flight, you'll stay in the air for 20 to 30 minutes and enjoy the surroundings... from CHF 240
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    valid: 22.10.2026 - 18.10.2027

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Travel information: Unterwasser