The Zillergründl Dam, an arch dam on the Ziller River in the upper Ziller Valley of Austrian Tyrol state, is the second tallest in Austria and its primary purpose is hydroelectric power production. At the background the snow and ice of the Schlegeis Kees, part of the Alpine Main Ridge. In the center the Breitnock (3212 m) and the Hoher Weisszint (3371).
