Simuay River
The Simuay River is a river in the Philippines with its source at Lanao del Sur in the Piapayungan range, and its mouth at is at Illana Bay through the Mindanao River.
7°16′N 124°14′E / 7.267°N 124.233°E
7°16′N 124°14′E / 7.267°N 124.233°E