Hirakud Dam is situated 16 km away from Sambalpur town in the state of Odisha. It is the longest Dam in the world. Behind the Dam extends a lake, Hirakud Reservoir. Hirakud dam is built on the Mahanadi river and is 200 ft in height, and the reservoir spreads 746 sq. Km, which contains the shape of an artificial lake in Asia has a shared line of 640 km. The sight of the dam can be enjoyed from the minarets standing on the top of another side of the Dam called Gandhi Minar and Nehru Minar. This dam is a multi-purpose dam which is protecting floods and supplying all times water for better irrigation in eastern Odisha. Hirakud dam has 64 sluice gates and 34 crest-gates. Total capacity of Dam is 5,896,000,000 m3 (4,779,965 acre-ft).