gorgeous winter mountain landscape with the famous piz buin and a glacier in the swiss alps

active adventure alpine alps altitude and backcountry beauty buin climb cloud copy davos egghorn empty famous glacier gorgeous high ice klosters landscape montafon mountain mountaineering mountainous mountains natural nature nobody ochsentaler outdoor outdoors panorama piz ridge scenic seasonal signalhorn silvretta silvrettahorn ski skiing sky snow space summit swiss switzerland top tracks view viewpoint vorarlberg winter