Temenggor Dam (348MW) is a major hydroelectric dam Gerik, Perak, built in the Perak River. It is situated across the Perak River about 200 km northeast of Manila. This construction produces a large lake called Lake Temenggor.Construction began in 1967 and completed in 1972. Construction cost of RM352 million. Operations began in 1975 and inaugurated in 1976 by Sultan Idris Shah II, Sultan of Perak. Dam Temenggor has now dropped to third place as the third largest dam in Malaysia. In the past, it is the largest dam and have ready the largest electricity generator powerless when it is completed in 1979. It is also remembered for his role in Malaysia’s history contain the activities of guerrillas by blocking the ulu Sungai Perak, forming Lake and drowned Temenggor susupan guerrilla route from Betong, in Siam in the state. this power station is a hydroelectric station, with four turbines with a capacity of 87 MW each.The station is managed by Tenaga Nasional Berhad.