Koteshwar Dam is built on Bhagirathi River in Tehri Garhwal district of Uttarakhand. It is a run-of-the- river type dam which is 97.5 metres tall and 300.5 metres long. The holy river Ganga is the basin area of this dam. Pratapnagar in Tehri Garhwal is the nearest city from this dam. The Koteshwar dam was built with a purpose of generating hydroelectric power.