Top 20 Lakes around Gurtnellen
Lakes around Gurtnellen, a municipality in the canton of Uri, Switzerland, are characterized by their alpine setting. The region features several mountain lakes, with Arnisee being a notable alpine lake directly associated with Gurtnellen. These lakes are often accessible via hiking trails and offer views of the surrounding mountain landscape. The area provides opportunities for outdoor activities centered around its natural water bodies.
Best lakes around Gurtnellen
- The most popular lakes is Source of the Rhine – Lai da Tuma, a lake considered the source of the Rhine. It is accessible via paths from the Oberalp Pass.
- Another must-see spot is Oberalp Pass, a mountain pass that connects the cantons of Uri and Grisons. The pass features a replica lighthouse and serves as a starting point for hikes to nearby lakes.
- Visitors also love Arnisee (Lake Arni), a reservoir located above Gurtnellen. It is known for its family-friendly environment and circular walking route.
- Gurtnellen is known for alpine lakes, reservoirs, and mountain lakes. The region offers a variety of lakes to see and explore, many of which are accessible via hiking trails.
- The lakes around Gurtnellen are appreciated by the komoot community, with more than 500 upvotes and over 400 photos shared across the highlights.
Last updated: April 25, 2026
Source of the Rhine – Lai da Tuma
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Oberalp Pass
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Lake Oberalp
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You can also take a cable car from the Oberalp Pass to the Schneehüenerstock, which is over 2,600 meters high, and explore various hiking trails there.
And those who aren't so good on their feet can bring their fishing rod and fish in the lake or simply enjoy coffee and cake on a terrace.
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Arnisee (Lake Arni)
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Lag Serein
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Popular around Gurtnellen
On the hunt for crystals and alpine lake magic – Gotthard Crystal Trek
On the hunt for crystals and alpine lake magic – Gotthard Crystal Trek
Hiking around Gurtnellen
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Cycling around Gurtnellen
Gravel biking around Gurtnellen
Running Trails around Gurtnellen
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Tips from the Community
The Lag Serein 🌊 is an idyllic mountain lake in the Caischavedra region, near Disentis in Graubünden. The hike starts in Disentis and takes you through picturesque landscapes, past forests and meadows in about 2 to 3 hours 🌿. The path is well signposted and suitable for hikers of all levels of difficulty. Once you arrive at Lag Serein, you can enjoy the peace and the impressive mountain landscape 🌄.
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When the lake is still, the mountain range is reflected in it. Beautiful.
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At the Oberalp Pass at 2,044 meters, not only is the obligatory "passport photo" waiting at the Oberalp Pass sign, but also the only lighthouse in the Alps. It comes from Rotterdam, where the original lighthouse can be found in the Maritime Museum, which once stood in Hoek van Holland, at the mouth of the Rhine into the North Sea - thus completing the circle from the source to the mouth.
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The Oberalpsee, located at the top of the pass between Sedrun and Andermatt, offers a peaceful retreat for amateur fishermen, who can obtain licenses at the Piz Calmot restaurant. Enthusiasts can enjoy fishing moments at sunrise in a peaceful atmosphere. For hikers, a walk to the western end of the lake reveals a small dam used for electricity generation. For a complete experience, the hike can continue to Nätschen, followed by a return by train, offering a lovely way to explore this picturesque mountain region.
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The Oberalp pass connects the cantons of Uri and Grisons. The pass, which is located at 2,046 meters above sea level, has been open to vehicles since the mid-19th century.
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Nice little lake that you can easily walk around.
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Beautiful small mountain lake, easily accessible by cable car from Intschi.
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In spring the lake is still covered with snow
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Frequently Asked Questions
What are some other notable lakes to explore around Gurtnellen?
Beyond the well-known Arnisee, you can discover Lake Oberalp, which offers stunning reflections of the surrounding mountains when calm, and Lag Serein, a beautiful small lake where some daredevils even take a dip in the cold water.
Are there family-friendly activities and lakes around Gurtnellen?
Yes, Arnisee (Lake Arni) is highly regarded as family-friendly. It features easy walking paths, large shady picnic areas with fire pits, and a flat beach area for wading. The circular walking route around Arnisee is also popular for leisurely strolls.
How can I reach Arnisee (Lake Arni)?
Arnisee is easily accessible by two cable cars, one from Amsteg and another from Intschi. In summer, it's also possible to reach it on foot or by mountain bike from Gurtnellen.
What kind of hiking opportunities are available near the lakes?
The region offers a variety of hiking trails. From Arnisee, you can embark on a panoramic trail to Gurtnellen-Dorf or a more challenging ascent to the Sunniggrat summit, which features a small mountain lake. The hiking guide for Gurtnellen provides more details on routes like the Sunniggrat Hut loop or the Arnisee (Lake Arni) loop.
Are there circular walking routes around the lakes?
Yes, Arnisee offers a popular and family-friendly circular walking route. It's about 1 km long, with a smooth section along the water and a bumpier, forest section with stairs. While mostly gentle, it's not suitable for strollers in all parts.
What are the best viewpoints around the lakes?
From Arnisee, you can enjoy magnificent views of the Reuss Valley and the Maderanertal, including the peaks of Windgällen and Bristenstock. A short detour from the lake path leads to the Chänzeli viewpoint. The hike to Sunniggrat from Arnisee also offers panoramic views of the Urner Reusstal and various alpine peaks.
Can I visit the lakes around Gurtnellen in winter?
Yes, Arnisee transforms into a snow-covered paradise in winter. Well-prepared walking paths and marked routes for snowshoeing offer a peaceful retreat for nature lovers during the colder months.
Are there places to eat or stay near the lakes?
Near Arnisee, you'll find two restaurants that cater to visitors, with some even offering overnight stays. Additionally, the Sunniggrathütte, a mountain hut, is located near the small mountain lake at Sunniggrat, providing refreshments for hikers.
What unique natural features or landmarks can I find near Gurtnellen's lakes?
You can visit the Source of the Rhine – Lai da Tuma, considered the source of the Rhine, accessible via paths from the Oberalp Pass. The Oberalp Pass itself features a replica lighthouse, which completes the circle from the Rhine's source to its mouth.
What other outdoor activities can I do near these lakes besides hiking?
The region around Gurtnellen offers various outdoor activities. You can explore mountain biking trails, with options like the Maderanertal Bike or Arni Bike routes detailed in the MTB Trails around Gurtnellen guide. Gravel biking is also popular, with routes like the Gotthard, Furka and Nufenen Passes available in the Gravel biking around Gurtnellen guide.
What do visitors enjoy most about the lakes around Gurtnellen?
Visitors particularly appreciate the stunning natural beauty, the serene atmosphere, and the diverse outdoor opportunities. The magnificent views of the valleys and alpine peaks, the family-friendly environment of Arnisee, and the refreshing experience of mountain lakes like Lag Serein are frequently highlighted.
Is there a thematic path to explore near the lakes?
Yes, from Arnisee, there is a thematic path dedicated to the 100-year anniversary of the official Uri survey. This path leads to the geographical center of the canton of Uri, approximately a 30-minute walk away.
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