The Edersee, also known as the Ederstausee, is an 11.8 km2 reservoir in Waldeck-Frankenberg, Hesse, Germany with 199.3 million m³ of storage space. It has the 2nd largest area, and the 3rd largest volume, of all reservoirs in Germany. It is located on the Fulda Tributary of Eder behind the 48m high Edersee Dam near the town of Waldeck in the Waldeck-Frankenberg district of North Hesse.
