In this hike to Piz Calderas (3397 m), I ascended through Tellers Davains, and the L-couloir on the west side of the mountain. Later I descended on the southeast side, and then I headed down a couloir towards Plang Lung. I started my hike in Alp Flix at elevation 1915 m. I followed the roads to Tgalucas, and then a trail in...