Take the cable car Grubig I + II to the summit station of the Gipfelhaus Grubigstein. From here the hike starts. Follow the signposts to the Wolfratshauser Hütte. From the Wolfratshauser Hut walk downhill towards Brettlalm and further back down into the valley.
IMPORTANT NOTES:
Stay on the marked hiking trails
Keep your distance from grazing animals
Be aware of the mountain hut opening hours
Alpine emergency call: 140