The Ampusongan River is located in Bakun in Benguet Province. Ampusongan River was was once recognized as the cleanest body of water in the province. It is suitable for swimming and picnicking. It serves as one of the water source of the Luzon Hydro-plant located at Poblacion, Bakun. Bakun is located 86 kilometers away from Baguio City and 336 kilometers away from Manila.