male mountain guide climbing a steep snow couloir on his way to a high summit in the swiss alps

alpine alps axe bernina carabiner challenge climber climbing coaz couloir crampon crampons determination draw engadin engiadina exposed extreme glacier grisons group guide handsome harness helmet high his hut ice male man management moritz mountain mountaineering near one peak pontresina quick range risk rock rope roseg sella single snow sports steep summit swiss switzerland the top valley way