Magat Dam

Magat Dam is a large rock-fill multipurpose dam on the Magat River located in Barangay Aguinaldo, Ramon, Isabela, on the border of Isabela and Ifugao. Completed in 1982, it is one of the largest dams in the Philippines. It was built to provide irrigation, hydroelectric power generation, and flood control for the Cagayan Valley. The dam and its vast reservoir are a notable engineering landmark and a popular sightseeing stop.

Visitors can expect a large rock-fill dam structure with a wide reservoir, spillway, and hydroelectric facilities set among rolling hills. The main visitor area includes a view deck overlooking the dam and reservoir, landscaped grounds, and picnic areas. Visitors can view the dam crest, reservoir waters, and surrounding mountains, take photographs from designated viewpoints, and explore the tourism complex grounds. Access to restricted operational areas is not permitted.

Constructed from 1975 to 1982 as the Magat River Multipurpose Project, Magat Dam was inaugurated in 1982. It was developed by the National Irrigation Administration with funding assistance to provide year-round irrigation, hydroelectric power, and flood control. At completion it was among the largest dams in Southeast Asia with a height of 114 meters and crest length of 4,160 meters.

The dam is significant for agricultural communities in Isabela and the wider Cagayan Valley, supporting irrigation for rice and corn production. The reservoir and surrounding area have become a local recreation and educational site illustrating water management and renewable energy in the region.