Highest concrete dam

Grande Dixence, on the river Dixence in Switzerland, is the highest concrete dam. It was built between 1953 and 1961 to a height of 285 m (935 ft), with a crest length of 700 m (2,297 ft), using 5,960,000 m3 (7,800,000 yd3, 210,400,000 ft3) of concrete.