berggasthaus schaefler mountain hut on top of schafler altenalptuerme ridge swiss alpstein appenzell switzerland

alpine alps appenzell hiking peak swiss switzerland alpstein cliff landscape ridge schaefler trail rock nature outdoor valley travel view panorama hike mountain path meadow incline mountainside steep hill trekking autumn fall climb europe formation range wasserauen sightseeing tourism green ascending ascent mountains saentis summit santis grass summer innerrhoden ebenalp edge