mountain bivouac free sleeping shelter in the piedmontese alps italy, facing the mount viso

alpine alpinism alps altitude architecture bivacco bivouac camping clear climbing cottian cozy day enrico europe facing famous france free hike hiking inside interior italy landscape longet look maritime mercantuor monviso mount mountain mountaineering nature olivero outdoor park pass peak peaks piedmont piedmontese refuge safe scouting shelter sky sleeping spring summer sunny trekking view viso window wood