beautiful view of the mountain hut rifugio pian grand on sentiero calanca hiking path in morning sunshine in autumn and a stone

accommodation alpine alps architecture autumn beautiful building calanca chalet cottage europe european fall grand graubuenden graubunden grisons heap hike hiking hostel house hut landscape lodge morning mountain nature outdoor overnight pian refuge rest rifugio roof scene scenery scenic sentiero shelter sightseeing sign sleep stone sunshine swiss switzerland travel trekking trip wooden