The Klostertal is an alpine valley in Vorarlberg, in Austria. It branches off at Bludenz and extends about 30 kilometers to the east to the Arlberg and the border with Tyrol. It consists of the three communities of Klösterle am Arlberg, Dalaas and Innerbraz and the three Bludenz towns Bings, Radin and Außerbraz with an area of 193.6 km ² and about 4,700 inhabitants (as of 2017).