On a wide natural road from Stuls to Runsolas, followed by a walking trail to Falein, and a descent to Filisur. Views across the villages in the upper Albula valley. "Zvieri" (salsiz, cheese, coffee) at the Heidi hut every Wednesday in summer. Bookings at Bergün Tourism. 3.5 hours towards Filisur, 4 hours in the opposite direction.