The remarkable Tehri Dam or Tehri Dam Reservoir is the tallest dam in India and also one of the tallest in the world. The Tehri Dam is a multi-purpose rock and 260.5 metres (855 ft) earth-fill embankment dam build on the Bhagirathi River near Tehri Garhwal in Uttarakhand. The Tehri Dam is a vital dam of the THDC India Ltd. The Tehri Hydroelectric Complex Phase 1 was completed in 2006. It withholds a reservoir for irrigation, municipal water supply and generates 1,000 megawatts, about (1,300,000 hp) of electricity along with an additional 1,000 MW of pumped storage hydroelectricity.
The length of the Tehri Dam is about 575 metres (1,886 ft), crest width 20 metres (66 ft) and base width 1,128 metres (3,701 ft). The dam creates a reservoir of 4.0 cubic km about 3,200,000 acre feet, having a surface area of 52 square kilometers. Pratapnagar village is the nearest settlement from this dam.