Route: Scharnitz Nature Park Information Center - Gleirschhöhe - Hinterautal - Isarursprung - Kastenalm - Lafatscher Niederleger - Hallerangerhaus - Hallerangeralm - Hallerangerhaus - Lafatscher Niederleger - Kastenalm - Isarursprung - Gleirschhöhe - Scharnitz Nature Park Information Center
Very long hike that requires good physical condition. To save time it is advisable to cycle to the Kastenalm and then continue on foot to the Hallerangerhaus.
From the information office Scharnitz from Isarlodge Wiesenhof, continue to Gleirschhöhe. From there take the left forest road in the direction of Isarursprung. Park your bike just before the Kastenalm and cross a small bridge. Then steeply uphill past the Lafatscher Niederleger to the Halleranger. Arrived at the Almboden, the paths divide, here right to the Hallerangerhaus or continue the path to the Hallerangeralm. Return to the starting point along the same path.