Libungan River

The Libungan River is a river on Mindanao island in the Philippines.[2] It springs on the slopes of Mount Piapayungan and flows south through the town of Alamada, Cotabato. At the town of Libungan, Cotabato, the river turns south-west and forms the boundary between the provinces of Cotabato and Maguindanao until it drains into the Rio Grande de Mindanao at the Libungan Marsh.

Libungan River Gribuna River
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Location
Country	Philippines
Region	Soccsksargen
Province	Cotabato
Physical characteristics
Source	Mount Piapayungan
• location	Barangay Dado, Alamada, Cotabato
Mouth	Rio Grande de Mindanao
• location	Libungan Marsh
• coordinates	7°09′58″N 124°21′25″E
Basin size	509 km2 (197 sq mi)[1]
Discharge
• location	Grebona, Libungan, Cotabato[1] 7°14′38″N 124°32′45″E
• average	11,242 L/s (148,370 imp gal/min)
• minimum	7,470 L/s (98,600 imp gal/min)
• maximum	102,500 L/s (1,353,000 imp gal/min)
Basin features
Progression	Libungan–Libungan Marsh–Mindanao
Waterfalls	Asik-Asik Falls

Tributaries include the Alamada River.

The name comes from the term Limbungan, meaning "cheater", which referred to the frequent changes in the river's course that would damage the crops and thereby cheat the farmers out of their harvest.[3]

Asik-Asik Falls of the Libungan River in Alamada, Cotabato