skitouring on the wiss platte over sankt antonien. ski tour in the alps. a beautiful mountain panorama winter landscape

active activities activity alpine alps antonien avalanche backcountry backpack blue climbing cold extreme grisons high hiking landscape mountain mountaineering nature outdoor partnun peak raetikon range ratikon sankt schjienflue ski skier skimo skitour slope snow sport sulzfluh summit swiss tour touring travel trekking walking white winter wiss