Hiking trail to the Klostertal, Bielerhoehe, Silvrettasee, Silvretta Stausee, Silvretta Group, Vorarlberg, Austria, Europe

alpen alps artificial lakes artificial lake austria bielerhoehe pass deserted eastern alps empty en route europe groups group hikes hike hiking trails hiking trail hiking klostertal lakes lake landscapes landscape mountain chain mountain landscapes mountain landscape mountainous mountain range mountain scenery mountains mountain nobody no one no people on the way outdoors out range ridge scenery several silvretta alps travel photography travel uninhabited valleys valley vorarlberg water reservoirs water reservoir water supply dam ways way oesterreich