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Switzerland
Espace Mittelland
Interlaken-Oberhasli

Oberaarsee

The best walks and hikes around Oberaarsee

4.6

(900)

8,526

hikers

217

hikes

Hiking around Oberaarsee offers access to a dramatic high-alpine environment, shaped by glaciers and characterized by expansive granite slabs, rocky terrain, and alpine meadows. The region features the glacial Oberaarsee, from which the Aare River originates, alongside the Oberaar Glacier and Lauteraar Glacier. Towering peaks such as the Finsteraarhorn contribute to the panoramic vistas, with other lakes like Grimselsee also present.

Best hiking trails around Oberaarsee

  • The most popular hiking route is Oberaar Dam – Trail to Oberaar Glacier loop from Oberaarsee, a 3.6 miles (5.7 km) trail that takes 1 hour 52 minutes to complete. This moderate route offers views of the glacier.
  • Another top favourite among local hikers is Oberaarsee – Triebtensee Pass loop from Oberaarsee, a difficult 6.4 miles (10.3 km) path. This trail leads through varied alpine terrain, including passes and lake views.
  • Local hikers also love the Oberaarsee – Sidelhorn Summit loop from Oberaarsee, a 5.0 miles (8.0 km) trail leading through high-alpine landscapes, often completed in about 3 hours 41 minutes.
  • Hiking around Oberaarsee is defined by glacial lakes, high-alpine terrain, and towering peaks. The network offers options for different ability levels, from moderate paths to more challenging alpine ascents.
  • The routes in Oberaarsee are highly rated by the komoot community with an average score of 4.6 stars from over 800 reviews. More than 8000 hikers have used komoot to explore Oberaarsee's varied terrain.

Last updated: April 27, 2026

4.7

(10)

77

hikers

#1.

Oberaar Dam – Trail to Oberaar Glacier loop from Oberaarsee

6.24km

02:03

90m

100m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

Moderate

Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

Moderate
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Tips from the Community

Deki Fourcin
November 9, 2024, Oberaarsee

Impressive reservoir nestled into the breathtaking granite landscape. This is a popular starting point for the hike to the Oberaar glacier.

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Targi
November 8, 2024, Sidelhorn Summit

The Sidelhorn is a 2764 m high mountain in the Bernese Alps massif in Switzerland. It lies on the border of the cantons of Valais and Bern and on the European main watershed. https://de.m.wikipedia.org/wiki/Sidelhorn

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Beautiful area and starting point for various mountain tours

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Dirk Bäumle
October 7, 2024, Oberaarsee

Nice quiet place

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Magnificent view on the ascent to the Sidelhorn

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The Oberaar Glacier is a valley glacier in the eastern part of the Bernese Alps, in the canton of Bern in Switzerland. It is almost 5 km long, has an average width of 800 m and, together with the side firns, covers an area of around 4 km².

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Gigantic structure at this height

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Manja
September 14, 2022, Oberaargletscher

⭐️⭐️⭐️⭐️⭐️ 𝐀𝐛𝐬𝐨𝐥𝐮𝐭 𝐄𝐦𝐩𝐟𝐞𝐡𝐥𝐞𝐧𝐬𝐰𝐞𝐫𝐭! This short and easy mountain hike in the Bernese Oberland leads in a high alpine atmosphere from the Oberaarsee dam to the Oberaar glacier tongue, where the Aare shoots out as a young river. At around 290 kilometers, the Aare is the longest river that runs entirely within Switzerland, from the Aare glacier to the confluence with the Rhine near Koblenz (AG). The Berghaus Oberaar is located near the dam wall of the Oberaarsee, below it directly on the lake there is a large parking and camper place. From the Grimselpasshöhe, the six-kilometre-long private panoramic road leads to the car park below the Berghaus Oberaar. The road will be open from July, it can only be driven in one direction: from the Grimsel Pass to the Berghaus Oberaar on the hour, from the Berghaus Oberaar to the Grimsel Pass on the half hour. The parking lot is chargeable. Then it is about 2.5 hours hiking time on an easy and good mountain path to the glacier tongue and back to the dam wall. The Oberaar Glacier is almost 5 km long and has an average width of 800 m. The glacier originates at the glacier pass of the Oberaarjoch (3,216 m) between the Oberaarhorn (3,631 m) and the Oberaarrothorn (3,477 m). The glacier tongue is at 2,310 m at the far end of the Oberaar reservoir. The Oberaarsee is the highest reservoir in the headwaters of the Aare. The Oberaarjochhütte (SAC) is located on the Oberaarjoch at 3,256 m.

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Frequently Asked Questions

How many hiking trails are available around Oberaarsee?

There are over 200 hiking routes around Oberaarsee, catering to various skill levels. You'll find everything from moderate paths to more challenging alpine ascents in this high-alpine environment.

Are there any easy hikes suitable for beginners or families around Oberaarsee?

Yes, there are 56 easy routes around Oberaarsee. While the region is high-alpine, some trails are accessible. For example, the walk across the Oberaarsee dam to reach the glacier is an easy 7.1 km round trip, taking about 2 hours and 10 minutes. Parts of the "Oberaar Trail" near Grimsel Hospiz can also be made accessible for families, sometimes involving cable car rides.

Can I bring my dog on the hiking trails around Oberaarsee?

The region around Oberaarsee is generally dog-friendly, but it's crucial to keep dogs on a leash, especially in areas with grazing livestock or protected wildlife. Always ensure your dog is well-behaved and can handle the alpine terrain. Check local signage for any specific restrictions.

Are there any circular hiking routes around Oberaarsee?

Yes, many routes around Oberaarsee are designed as loops. For instance, the Oberaar Dam – Trail to Oberaar Glacier loop from Oberaarsee is a moderate 5.7 km circular trail offering glacier views. Another option is the challenging Oberaarsee – Triebtensee Pass loop from Oberaarsee, which covers 10.3 km through varied alpine terrain.

What kind of natural attractions can I expect to see along the trails?

The Oberaarsee region is rich in dramatic natural features. You'll encounter the glacial Oberaarsee itself, the impressive Oberaar Glacier and Lauteraar Glacier, and towering peaks like the Finsteraarhorn. Other picturesque lakes such as Grimselsee and Triebteseewli, along with gorges and waterfalls, are also part of the landscape. Keep an eye out for alpine flowers and chamois.

Where can I find parking for hiking trails around Oberaarsee?

Parking is typically available near the Grimsel Pass area, which serves as a common starting point for many hikes to Oberaarsee. Specific parking information for individual trailheads can often be found on komoot tour pages or local tourism websites.

Is it possible to reach Oberaarsee hiking trails by public transport?

Access to the Oberaarsee region is possible via public transport, often involving bus services to the Grimsel Pass area. From there, some trails are directly accessible, or further connections might be needed. It's advisable to check current bus schedules, especially during the alpine season.

What is the best time of year to hike around Oberaarsee?

The best time to hike around Oberaarsee is generally during the summer months, from late June to September, when the snow has largely melted, and trails are most accessible. The weather is typically more stable, offering clearer views of the alpine landscape. Winter hikes are possible but require specialized equipment and experience due to snow and ice conditions.

Are there any places to eat or stay near the hiking routes?

Yes, the Berghaus Oberaar lodge offers a cozy resting point with views of the lake, providing refreshments and potentially accommodation. In the broader Grimsel Pass area, you can find other cafes, pubs, and restaurants, as well as mountain hotels like Grimsel Hospiz, offering options for food and lodging.

What do other hikers enjoy most about hiking in Oberaarsee?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 800 reviews. Reviewers often praise the dramatic high-alpine environment, the stunning glacial lakes, and the panoramic vistas of towering peaks. The diversity of routes, from moderate paths to challenging ascents, is also frequently highlighted.

Are there any less crowded hiking options around Oberaarsee?

While popular, the vastness of the alpine landscape allows for quieter experiences. To find less crowded trails, consider exploring some of the more challenging routes or starting your hike early in the morning. Trails leading to higher elevations or away from the main dam area might offer more solitude.

What is the typical duration for hikes in the Oberaarsee area?

Hike durations vary significantly based on the route's difficulty and length. For example, the moderate Oberaar Dam – Trail to Oberaar Glacier loop from Oberaarsee takes about 1 hour 52 minutes. More challenging routes, like the difficult Oberaarsee – Sidelhorn Summit loop from Oberaarsee, can take around 3 hours 41 minutes or longer for extensive alpine tours.

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