The Mindanao River is the second-longest river in the Philippines, stretching approximately 373 kilometers. It flows through the island of Mindanao, starting from the Central Mindanao region and emptying into the Sulu Sea. The river is vital for irrigation, transportation, and fishing, supporting the livelihoods of many local communities. The river's watershed is home to diverse ecosystems and wildlife, making it an important area for biodiversity. It also plays a significant role in the culture and economy of the region, with various towns and cities, such as Cotabato City, situated along its banks.