Lakes around Gelmersee feature a single, man-made hydroelectric reservoir in the Bernese Oberland of Switzerland. This lake is known for its vivid turquoise or deep blue glacial meltwater, set within dramatic alpine scenery. The area offers a popular circular trail around Gelmersee, providing hiking opportunities and views of the lake and surrounding mountains. Access is often via the Gelmerbahn funicular, one of Europe's steepest.
Last updated: August 23, 2026
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Very nice hike. Below the Gelmerhütte we enjoyed our lunch with a magnificent view. The route can also be walked in the opposite direction. Tip: reserve the Gelmerbahn in advance, otherwise there can be long waiting times.
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Tip: To make the climb easier, take the spectacular Gelmerbahn 🚠, the steepest open funicular in Europe. Alternatively, you can choose the route via the thousand stairs 🥾 - a challenge that is rewarded with breathtaking views.
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Whether rock arch, waterfalls or the breathtaking lake, Gelmersee is absolutely worth visiting.
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Absolutely impressive round around the Gelmersee, where you have to master several demanding passages.
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Easy hike around the lake, with some narrow spots
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The lake is used for flood control and power generation.
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The partially elevated path and the rock gate is a special experience.
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Another piece of breathtaking nature. During the hike, just pause and enjoy the nature and the silence.
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Gelmersee is a stunning hydroelectric reservoir known for its strikingly vivid turquoise or deep blue glacial meltwater, surrounded by dramatic alpine scenery. Its primary access is via the Gelmerbahn Funicular, one of Europe's steepest open-air funiculars, offering an exciting ride and incredible views.
The most popular activity is the circular trail around Gelmersee, a 4.5 km loop that typically takes 2-3 hours. While parts are flat, it's rated moderately difficult due to narrow, rough, and occasionally exposed sections, requiring good surefootedness. For more experienced hikers, there are also challenging ascents to alpine huts above the lake. You can find more hiking options in the Family-friendly hikes around Gelmersee guide.
The circular trail around Gelmersee is approximately 4.5 km long and generally takes about 2-3 hours to complete, depending on your pace and how often you stop to enjoy the views.
Visitors frequently highlight the breathtaking scenery, the vibrant blue waters, and the exciting experience of the Gelmerbahn. Many appreciate the circular walk around the lake for its continuous stunning views, despite some challenging passages like the natural rock arch and narrow paths.
The Gelmersee circular trail is rated as moderately difficult. While offering beautiful views, it has narrow, rough, and occasionally exposed parts that require good surefootedness. It can be challenging for younger children or those with a fear of heights. Consider the Family-friendly hikes around Gelmersee guide for alternative options.
Yes, swimming in Gelmersee is possible for the brave. The lake's vibrant color comes from glacial meltwater, meaning the waters are very cold alpine temperatures.
The Gelmerbahn and the trails around Gelmersee are typically open from late May/early June to late October, depending on snow conditions. Summer and early autumn offer the most reliable weather for hiking and enjoying the scenery.
The primary way to access Gelmersee is by taking the Gelmerbahn funicular from its base station near Handegg. It's advisable to secure tickets for the funicular in advance, especially during peak season. Parking is available at the base station.
There are no shops or cafes directly at Gelmersee itself, so picnicking by the lake is highly recommended. You'll find amenities and dining options in the broader Grimselwelt region or at the Gelmerbahn's base station.
Beyond hiking, the broader Grimselwelt region offers various outdoor activities. You can explore other hiking routes, including easy hikes, or enjoy cycling tours through the stunning alpine passes like Grimsel, Susten, and Furka. The Handeckfall Suspension Bridge, near the Gelmerbahn base, also offers impressive views.
Dogs are generally allowed on the trails around Gelmersee, but they must be kept on a leash. Be mindful of the challenging sections of the circular trail, which might be difficult for some dogs or require extra care.


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