Sefidrud Dam (originally named Shahbanu Farah Dam and also known as the Manjil Dam) is a buttress dam on the Sefīd-Rūd near Manjil in Gilan Province, Iran. It was constructed to store water for irrigation and produce hydroelectric power. The power station has an installed capacity of 87 MW. It is 106 m (348 ft) tall and forms a reservoir with a capacity of 1.82 km3 (1,475,498 acre·ft). Its structure contains 26 monoliths.