Lake of Ekbatan Dam is located at 11 km southeast of Hamadan. The lake has an area about 60 acres and the minimum and maximum depth of it respectively is 18 m and 32 m.
In the recent years, about 15 acres of land surrounding the lake wooded and some tress such as spruce, pine, acacia and ash are observed. Height of Ekbatan Dam was 54 m during the construction and after completion of the height design, the height of dam was 79 meters and the current capacity of the reservoir is 40 million cubic meters.