ski tour in the swiss mountains. mountaineering in winter. skimo on the sulzfluh near st.antonien.sun mountains and snow

alps hiking activity alpine climb winter travel high skier raetikon ratikon ski tour skimo mountaineering tourism valley sulzfluh mountain swiss switzerland top nature peak view landscape cold blue climbing europe outdoor snow sport davos white touring backcountry avalanche schjienflue skitour st antonien grisons summit slope range mountains sun