4.8
(15)
92
hikers
5
hikes
Mountaineering routes around Sufner Lake traverse a rugged alpine landscape characterized by high peaks, deep valleys, and pristine mountain lakes. The region, part of the Viamala area, features challenging ascents and varied terrain suitable for experienced mountaineers. Elevations range significantly, offering panoramic viewpoints over the surrounding Swiss Alps.
Last updated: August 3, 2026
5.0
(1)
4
hikers
12.2km
04:37
820m
820m
Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.9
(10)
44
hikers
8.87km
06:13
1,020m
1,020m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0
(1)
11
hikers
16.7km
06:51
1,210m
1,210m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
20
hikers
13.6km
07:13
1,430m
1,430m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
7
hikers
8.88km
05:12
1,040m
1,040m
Hard mountaineering route. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Be sure to leave early on weekends! It fills up quickly, and turning around (when it's full) is no fun.
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Beautifully rounded summit, often crowded, wide panoramic view
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The lake's location is unique; it already had 16 degrees Celsius today. A breathtaking landscape. The flora and fauna are also unique and diverse. Pure enjoyment!
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An incredibly beautiful place, which we easily reached on foot from Splügen. The hut is not staffed, but can be booked for one night. Drinking water is fetched from the spring by boat... row across the upper Surettasee, enjoy the panorama, and refill your drinking water supplies at the spring... a truly adventurous experience.
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The path zigzags through the forest up or down the mountain.
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Next parking lot for the ascent to Piz Beverin
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Mathon is located in the beautiful Viamala region and has around 50 inhabitants today. In addition to the pretty village center with its listed church, the ruins of the old St. Anthony's Church below the village are also fascinating to see.
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In the small town of Wergenstein, the white church, which stands in a prime location above the valley, stands out in particular.
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Mountaineering routes in the Sufner Lake region are primarily suited for experienced mountaineers, featuring challenging ascents and varied terrain. The majority of routes are rated as difficult, with a few moderate options available. There are no easy routes listed in this guide.
Yes, you can typically find parking facilities in the villages that serve as starting points for these routes, such as Splügen and Donat. It's always advisable to check local signage for specific parking regulations and fees.
The Swiss Alps generally offer excellent public transport connections. Villages like Splügen, which serve as starting points for several routes, are usually accessible by bus or postbus services, connecting to larger train stations. We recommend checking local transport schedules for the most up-to-date information.
The mountaineering routes around Sufner Lake are generally categorized as moderate to difficult, catering to experienced mountaineers. This guide does not feature any routes specifically rated as easy, so beginners or families with young children might find these trails too challenging.
Many routes in the region offer stunning vistas. For expansive mountain views and high alpine lakes, consider the challenging Piz Tambo – Laghetti del Tamburello loop from Splügen Pass. The Upper Suretta Lake loop from Splügen also provides beautiful views of Suretta Lake and the alpine scenery.
The region is rich in natural beauty. Along your routes, you might encounter several stunning lakes, including Sufnersee itself, the South Shore of Lake Sufner, and the Bathing meadow at Lake Sufner. The Cresta Reservoir is another notable highlight in the area.
The prime season for mountaineering in the Sufner Lake region typically runs from late spring to early autumn (June to September), when the trails are generally free of snow and weather conditions are more stable. Always check current weather forecasts and trail conditions before heading out, as alpine weather can change rapidly.
Yes, several routes in this guide are circular, allowing you to return to your starting point without retracing your steps. Examples include the Upper Suretta Lake loop from Splügen, the Piz Tambo – Laghetti del Tamburello loop from Splügen Pass, and the Piz Tarantschun loop from Donat.
The mountaineering routes around Sufner Lake are highly regarded by the komoot community, boasting an average rating of 4.9 stars from nearly 20 reviews. Users frequently praise the challenging ascents, the stunning alpine scenery, and the pristine mountain lakes encountered along the way.
While many alpine trails in Switzerland are dog-friendly, it's crucial to consider the difficulty and terrain of these specific mountaineering routes. Given their moderate to difficult ratings and rugged nature, some sections might be challenging for dogs, especially those involving steep ascents, rocky paths, or ladders. Always keep your dog on a leash and ensure they are fit enough for the chosen route.
While this guide focuses on day tours, the rugged alpine landscape and network of trails around Sufner Lake, combined with the presence of mountain huts in the broader Viamala region, suggest that multi-day trips are certainly possible. You would need to plan your itinerary to connect several routes and arrange overnight stays in huts or designated camping areas.
For a truly challenging experience, consider routes like the Cliffside Ladder loop from Donat, which features significant elevation gain and rugged terrain. The Mountain lake – Lago Azzurro loop from Splügen Pass is another difficult option leading to high alpine lakes.


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