© Olympiaregion Seefeld
© Olympiaregion Seefeld

To the Source of the Isar River

In Scharnitz, hop on the spectacular 30-kilometer path that weaves along Isar River and through the extraordinary mountain scenery of Hinterautal Valley. The easy route gains 200 meters of elevation and takes some 3.5 hours to complete.

  • This remarkable cycle tour is part of the Isar Cycle Path und takes you to the source of the Isar River. The route crosses bridges and follows trails that are lined with interesting information panels.
  • Only three kilometers out of the source you will find quaint Kastenalm Alpine Pasture Hut (elev. 1,220 meters), which is encircled by the perpendicular rock walls of Laliderer Wände and jagged Gleirsch-Halltal Range.

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Starting point

Länd Karwendel Car Park in Scharnitz

Finishing point

Länd Karwendel Car Park in Scharnitz

Mountain chain

Karwendel Mountains


28.5 km

Riding time

3 h 30 min


  • Circular route
  • Handicap-accessible
  • Route with e-bike charging station

Difficulty rating



1,220m 950m

Elevation uphill 300m
Vertical metres downhill 300m

Fitness level


* These are approximate values and recommendations. Please take your personal fitness level, technical ability and the current weather conditions into account. Tirol Werbung cannot guarantee that the information provided is correct and accepts no liability.

Trail description

From the Karwendel Car Park in Scharnitz, ride toward Hinterautal Valley. A gentle climb takes you past Gasthof Wiesenhof Inn to Gleirschhöhe. From there, it’s a gentle ride to the source of the Isar River. The same route brings you back to the trailhead at Scharnitz.

Place along the route

Arrival date

How to get here by plane, train, bus or car.

Ihr Ziel: To the Source of the Isar River (47.38566,11.26689)

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