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

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