Start at the Scharnitz Nature Park Info Center and follow the Hinterautal road up the valley over a small hill. Continue straight on until you cross the Isar river. After the bridge, turn left in the direction of the Karwendel valley. After about 50 meters, turn right into the forest road, which you continue to follow until you reach the turnoff for Birzlkapelle, a small chapel in the middle of the forest, to the left.
Way back: Either as ascent or via a narrow, partly steep trail back to Scharnitz. This leads straight on past the chapel, as a narrow path to a lookout bench. Here keep sharp right and in steep serpentines a good distance down through the forest. At the first junction keep to the right again and hike along the so-called Plattsteig through the forest back to Scharnitz. After the first