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Germany
Bavaria
Upper Bavaria
Landkreis Weilheim-Schongau
Weilheim-Schongau

Osterseen

The best mountain hikes in Osterseen

44

hikers

3

hikes

Mountaineering in Osterseen is characterized by a unique ice-age landscape featuring a chain of 19 to 24 interconnected lakes, surrounded by extensive mixed forests and significant moorland areas. The terrain consists of rolling hills and gentle ascents, offering routes that traverse diverse habitats, including riparian zones and ancient forests. While not a destination for high-altitude climbing, the region provides expansive views of the distant Bavarian Alps, including the Zugspitze, on clear days.

Best mountaineering routes in Osterseen

  • The most popular…

Last updated: September 23, 2026

28

hikers

#1.

View of Fohnsee and the Alps – View of Großer Ostersee loop from Iffeldorf

11.0km

02:52

80m

80m

Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy mountaineering route. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate mountaineering route. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Tips from the Community

Rudolf 😎🌲
July 26, 2026, View of Fohnsee and the Alps

Very nice hike with a forest bathing spot and refreshment stop at the Fohnseestüberl 💦😎👍🥨🍻

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Very nice forest bathing spot, not much going on 👍😎💦

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Here the path passes by one of the typical crosses

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Great trail above the Riegsee, with a beautiful view of the Alps

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St. Leonhard's Church is a historic village church dedicated to St. Leonard, which shapes the village scenery of Froschhausen.

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Christiane Völkel commented in a few sentences on the quote »I am curious to see what God still has planned for me« by the Swedish writer Selma Lagerlöf: + “Salvation, completion, redemption, which are promised to us, are not simply there. They are given to us in such a way that hope fills us… with which we can cope with our lives. (…) How do we find such reliable hope, and how can we let it grow within us? I think it grows from encountering God.” With the statement of this impulse, I also wish all those who – as here – encounter a small sacred monument in the form of a wayside cross, a moment of encounter with God that gives hope.

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Good view over the lake and the mountains

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Beautiful view from the campsite over the Riegsee to the mountains

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Frequently Asked Questions

What kind of terrain can I expect on mountaineering routes in Osterseen?

The Osterseen region features a unique ice-age landscape with rolling hills and gentle ascents. Routes traverse diverse habitats, including extensive moorlands, mixed forests, and riparian zones around the chain of 19 to 24 interconnected lakes. While not high-altitude climbing, you'll find varied paths through this protected natural environment.

Are there easy mountaineering routes suitable for beginners in Osterseen?

Yes, Osterseen offers routes suitable for beginners. For example, the Fohnsee reedbed – Fohnsee - panoramic view loop from Iffeldorf is an easy 4.5 km path that provides panoramic views of Fohnsee and its surrounding reedbeds.

How long do the mountaineering routes in Osterseen typically take to complete?

The duration of routes in Osterseen varies. An easy route like the Fohnsee reedbed – Fohnsee - panoramic view loop from Iffeldorf can take around 1 hour 10 minutes. Moderate routes, such as the View of Großer Ostersee – Fohnsee reedbed loop from Iffeldorf, typically take about 2 hours 52 minutes for 11 km.

What natural features can I see along the routes in Osterseen?

The region is rich in natural beauty. You can explore the unique chain of 19 to 24 interconnected, groundwater-fed lakes, extensive moorlands, and mixed forests. A notable natural feature is the Blue Gumpe Spring (Osterseen), a spring funnel south of the Großer Ostersee where groundwater emerges.

Are there scenic viewpoints on the mountaineering routes in Osterseen?

Yes, many routes offer scenic views. On clear days, you can enjoy breathtaking panoramic views of the distant Bavarian Alps, including Germany's highest mountain, the Zugspitze. Specific viewpoints include the View of the Fohnsee and the View of Marien Island from the leaning tree (Großer Ostersee).

Can I go wild swimming near the mountaineering routes in Osterseen?

The lakes in the Osterseen region are popular for swimming during warmer months. Many trails wind along the lakeshores, providing numerous idyllic rest and swimming opportunities in the strikingly clear, turquoise-blue water.

Are there family-friendly mountaineering routes in Osterseen?

Yes, the Osterseen region is well-suited for families. The trails are generally easy to moderate, with gentle ascents, making them accessible for all skill levels. The unique ice-age lake landscape and diverse forests offer an engaging environment for children and adults alike.

Are dogs allowed on the mountaineering trails in Osterseen?

As a nature reserve, dogs are generally permitted on trails in Osterseen, but they must be kept on a leash to protect wildlife and ensure the safety of other visitors. Always clean up after your dog.

What is the best time of year to go mountaineering in Osterseen?

The Osterseen region is beautiful year-round. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer is ideal for combining hiking with swimming in the lakes. In colder periods, the smaller lakes can even be used for ice skating, though winter mountaineering conditions should always be checked.

Are there circular mountaineering routes available in Osterseen?

Yes, many routes in Osterseen are circular, allowing you to start and end at the same point. Examples include the View of Großer Ostersee – Fohnsee reedbed loop from Iffeldorf and the Great Ostersee – View of the Ameissee and the moorland loop from Schwaigerinsel.

What are some points of interest or landmarks to look out for in Osterseen?

Beyond the natural beauty of the lakes and moorlands, you can find several points of interest. The Great Ostersee is the largest lake, and the Blue Gumpe Spring (Osterseen) is a unique natural monument. You can also enjoy views of the Fohnsee and its surrounding reedbeds.

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