Magat River has the distinction as the biggest tributary to Cagayan River. Many dams and irrigation canals have been constructed including Magat Reservoir. Added to these is a string of hydroelectric power plants that help power up the region. – Source
The Magat River is a river in the Philippine island of Luzon. It is the largest tributary of Cagayan River, the longest and largest river system in the country, with an estimated drainage area of 5, 110 square km, roughly twenty percent of the total drainage area of the river.
The Magat River Integrated Irrigation System Project, started by the National Irrigation Administration in the 1960s, is one of the Philippine’s largest irrigation projects with hydroelectric power generation capacity. Its total cost amounted to US$500 million.
The project is made up of the Magat reservoir, three diversion dams, a large number of irrigation canals and three pumping stations to supply irrigation water for an area of about 97,400 hectares. It is also includes hydroelectric power plants; 360 MW at Magat reservoir, 6,000 kW at Baligatan and 2,500 kW Magat mini-hydroelectric power pants in Maris main canal. – Source
Magat River Video