 the edersee dam is a hydroelectric dam spanning the eder river in northern hesse, germany. constructed between 1908 and 1914, it lies near the small town of waldeck at the northern edge of the kellerwald. breached by allied bombs during world war ii, it was rebuilt during the war, and today generates hydroelectric power and regulates water levels for shipping on the weser river. at low water in late summers of dry years the remnants of three villages (asel, bringhausen, and berich) and a bridge across the original river bed submerged when the lake was filled in 1914 can be seen. descendants of those buried there go to visit the graves of their ancestors. ==world war ii== thumb|left|photograph of the eder dam on 17 may 1943 thumb|upright=1|left|the edersee today (low water level) the dam was breached in world war ii by bouncing bombs dropped by british lancaster bombers of no. 617 squadron raf as part of operation chastise. the early morning raid of 17 may 1943 created a massive  wide and  deep breach in the structure. water emptied at the rate of  into the narrow valley below, producing a {{convert|6|
Dam_failures Dams_completed_in_1914 Dams_in_Germany Geography_of_Hesse