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Graubünden

Top 20 Lakes in Graubünden

Best lakes in Graubünden, Switzerland's largest and most easterly canton, are set amidst diverse alpine scenery. These bodies of water offer varied experiences, from clear swimming spots to serene hiking destinations. The region's natural beauty and outdoor activity opportunities make its lakes significant attractions for visitors.

Best lakes in Graubünden

  • The most popular lakes include Lake Staz (Lej da Staz), a lake with a mountain panorama. It is a popular spot, though it can be crowded during peak times.
  • Another must-see spot is Cresta Lake, a spring-fed lake known for its clear water and setting among fir trees. Its entire water volume renews within 3 days, ensuring its purity.
  • Visitors also love Source of the Rhine – Lai da Tuma, an alpine lake considered the source of the Rhine. The path from Oberalp Pass to the source is accessible and offers views of the high moor area.
  • Graubünden is known for its mountain lakes, reservoirs, and high-alpine lakes. The canton offers a variety of lakes to see and explore, from accessible bathing lakes to remote sources of major rivers.
  • The lakes in Graubünden are appreciated by the komoot community, with more than 860 upvotes and over 200 photos shared across various highlights.

Last updated: April 24, 2026

Lake Staz (Lej da Staz)

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Beautiful lake with a beautiful mountain panorama 😃👍🏻🏞

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Cresta Lake

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Lake Cresta, with its crystal-clear water, is nestled between dark fir trees – a picture straight out of a fairytale. It is a spring-fed lake whose water flows underground, while the outflow into the Flem River is above ground. Due to constant exchange, the entire volume of water is renewed within three days and is always drinkable.

Lake Cresta is only accessible on foot; from the Trin Mulin parking lot (village center), a stroller-friendly hiking trail leads to the natural pool. There is a restaurant at the lake.

Opening hours of the natural pool: During the summer season, depending on the weather, approximately mid-May to mid-September.
Admission to the natural pool: Adults CHF 7, children (6 to 16 years) CHF 3.

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Lake Cauma

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One of the most beautiful mountain lakes in Switzerland. Best to visit early in the morning and during the week, otherwise very crowded with people. Unfortunately, the steep access to the lake is also child's play via the train.

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Panoramic view of Lake Cauma

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The view of the lake from the top is simply beautiful and the colors of the water shine in deep shades of turquoise, blue and green.

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From here, along the stream, you can also return to the OberalpPass. The path is a little longer, but not that steep. You can also see the high moor area with streams and meadows, and the Plidutscha plateau with maga views .....

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Lago Bianco

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Lago Bianco, Bernina Pass at 2234 meters
The Lago Bianco is a reservoir at the Bernina Pass and is located in the area of the municipalities of Pontresina and Poschiavo. The lake is located directly at the pass at 2234 meters above sea level. The Lago Bianco is bordered by two dams on its north and south sides and is around three kilometers long and about 800m wide. When filled to its maximum, the depth of the Lago Bianco is over 50 meters. The reservoir on the Bernina Pass is fed by various mountain streams and glacier water, while the Cavagliasch in particular leaves the lake.
The whitish, somewhat milky-looking Lago Bianco gets its name (in German "White Lake") from the inflow of sand and glacier water.
The Bernina Hospice (Ospizio Bernina) is located on the western shore of Lago Bianco, and the Rhaetian Railway's train line - the Bernina Express - also runs directly along the shore. The Bernina Pass road is also located on the western side, but not directly on the lake shore.
In cold winters, the lake can freeze over and in some years the beautiful black ice forms. When the reservoir is then opened by the authorities, nothing stands in the way of ice skating on Lago Bianco.
Text / Source: Schweizersee.ch
schweizersee.ch/lago_bianco_pontresina

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Lenzerheide

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Here we discovered the mountain biking for us! Class trails!

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Lake St. Moritz

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In summer, a clean mountain lake with a well-kept shoreline for relaxing after a mountain hike. In winter, the ice surface is the venue for horse racing and cross-country skiing in a very special way.

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Upper Lake (Arosa)

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Right at the Arosa train station. Discover the lake on a pedalo. With the Arosa Card, it's even free.

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Lake Davos

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On the northeastern shore lake access with Kneipp pedal system: good for cooling hot runner's feet.

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Tips from the Community

Antonin
April 9, 2026, Panoramic View of Lake Cauma

one of the most beautiful turquoise lakes in Switzerland

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Claudia
June 15, 2025, Obersee Arosa

A visit to Arosa is worthwhile at any time of year; in summer the lake is very beautiful to look at, but in winter it is frozen over.

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Beautiful lake which is frozen in winter.

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A beautiful hike through the Flims forest to Il Spir at any time of year

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An interesting destination all year round. 🥰

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Paul
October 30, 2024, Lago Bianco

Lago Bianco, Bernina Pass at 2234 meters The Lago Bianco is a reservoir at the Bernina Pass and is located in the area of the municipalities of Pontresina and Poschiavo. The lake is located directly at the pass at 2234 meters above sea level. The Lago Bianco is bordered by two dams on its north and south sides and is around three kilometers long and about 800m wide. When filled to its maximum, the depth of the Lago Bianco is over 50 meters. The reservoir on the Bernina Pass is fed by various mountain streams and glacier water, while the Cavagliasch in particular leaves the lake. The whitish, somewhat milky-looking Lago Bianco gets its name (in German "White Lake") from the inflow of sand and glacier water. The Bernina Hospice (Ospizio Bernina) is located on the western shore of Lago Bianco, and the Rhaetian Railway's train line - the Bernina Express - also runs directly along the shore. The Bernina Pass road is also located on the western side, but not directly on the lake shore. In cold winters, the lake can freeze over and in some years the beautiful black ice forms. When the reservoir is then opened by the authorities, nothing stands in the way of ice skating on Lago Bianco. Text / Source: Schweizersee.ch https://www.schweizersee.ch/lago_bianco_pontresina/

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Hanspeter
August 26, 2024, Lenzerheide

There is something for everyone here.

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From the small viewing platform at the "mountain station" you have the most beautiful view of the lake.

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Frequently Asked Questions

Which lakes in Graubünden are particularly known for their unique colors?

Graubünden boasts several lakes with stunning and distinct colors. Lake Cauma is famous for its mesmerizing turquoise, blue, and green waters. Lai da Palpuogna, recognized as one of Switzerland's most beautiful spots, offers idyllic colors. Lagh da Saoseo in Valposchiavo displays a spectacular array of colors from blue to violet, especially after a hike. Lai Blau lives up to its name with an intense blue hue, and Lago Bianco gets its whitish, milky appearance from glacial water.

Are there family-friendly lakes in Graubünden with amenities?

Yes, several lakes are well-suited for families. Lake Cauma is a popular bathing lake with amenities like a 3-meter diving tower, a restaurant, and a paddling pool for children. Cresta Lake is also family-friendly, offering a natural pool and a restaurant, accessible via a stroller-friendly hiking trail. Lake Staz (Lej da Staz) is another popular family spot, though it can get crowded during peak times.

What kind of outdoor activities can I do near the lakes in Graubünden?

The lakes in Graubünden are excellent starting points for various outdoor activities. You can find numerous hiking trails, such as those around Lago Bianco or the path to the Source of the Rhine – Lai da Tuma. For more extensive hiking, explore routes like the Val Bregaglia Panoramic Trail or the Bernina Waterfalls loop. The region also offers gravel biking and cycling opportunities, with routes like the Kunkels Pass from Flims or the Chur Rhine Route. You can find more details on these activities in the waterfall hikes, gravel biking, and cycling guides for Graubünden.

Which lakes are easily accessible by public transport?

Lake Cauma is easily accessible by a funicular. Lago Bianco, located at the Bernina Pass, is directly along the Bernina Express train line, making it very convenient to reach by rail. Lai da Palpuogna is also accessible via an easy 1.7 km hike from the Preda train stop.

Are there any lakes in Graubünden known for swimming or bathing?

Yes, Lake Cauma is a very popular bathing lake, known for its pleasant water temperature and clear waters. Cresta Lake, a spring-fed lake, also features a natural pool with crystal-clear water, ideal for swimming.

What is the best time to visit the lakes in Graubünden?

The best time to visit largely depends on your desired activities. Summer is ideal for swimming, hiking, and mountain biking, with pleasant temperatures and lush landscapes. However, popular spots like Lake Staz and Lake Cauma can be crowded on weekends and during peak season. Some lakes, like Lago Bianco, can freeze over in cold winters, offering unique experiences like ice skating on black ice.

Can I find viewpoints offering panoramic views of the lakes?

Absolutely. Many lakes in Graubünden offer stunning viewpoints. For instance, there's a dedicated Panoramic view of Lake Cauma, where you can see the lake's vibrant colors from above. Lago Bianco also provides great views, especially from the Bernina Hospice on its western shore or along the Lago Bianco Lakeside Trail.

Are there any high-alpine lakes in Graubünden?

Yes, Graubünden is home to several high-alpine lakes. Urdensee is situated at 2,249 meters above sea level, offering a true high-alpine experience surrounded by mountains. Source of the Rhine – Lai da Tuma is another alpine lake, considered the source of the Rhine, located in a high moor area.

Which lake is considered the source of the Rhine River?

The alpine lake Source of the Rhine – Lai da Tuma (also known as Lake Toma or Lag da Toma) is considered the source of the Rhine. It is located in the canton of Graubünden, and a path from Oberalp Pass leads to it, offering views of the high moor area.

What makes Cresta Lake special?

Cresta Lake is special for its crystal-clear, spring-fed water, beautifully set amidst dark fir trees. Its entire water volume renews within three days due to constant exchange, ensuring its purity. It's accessible only on foot via a stroller-friendly hiking trail and features a natural pool and a restaurant.

Are there any large lakes in Graubünden?

Lake Sils is the largest lake in the canton of Graubünden. Lago Bianco, a reservoir at the Bernina Pass, is also quite large, approximately three kilometers long and 800 meters wide.

What do visitors enjoy most about the lakes in Graubünden?

Visitors frequently praise the breathtaking alpine scenery and the diverse experiences offered by the lakes. Many appreciate the mesmerizing colors of lakes like Cauma and Palpuogna, the tranquility of the natural settings, and the opportunities for world-class hiking and mountain biking. The clear waters for swimming and the picturesque views from various viewpoints are also highly valued.

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Find the best lakes in Graubünden per region:

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

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