The Libungan River is a river on

Mindanao Mindanao ( ) ( Jawi: مينداناو) is the second-largest island in the Philippines, after Luzon, and seventh-most populous island in the world. Located in the southern region of the archipelago, the island is part of an island group of ...

island in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. It springs on the slopes of

Mount Piapayungan Mount Ragang, also called Mount Piapayungan and Blue Mountain by the local people, is an active stratovolcano on Mindanao island in the Philippines. With an elevation of , it is the seventh highest mountain in the Philippines and the highest poi ...

and flows south through the town of

Alamada, Cotabato Alamada, officially the Municipality of Alamada ( Maguindanaon: ''Inged nu Alamada'', Jawi: ايڠايد نو عالماد; Iranun: ''Inged a Alamada'', ايڠايد ا عالماد; hil, Banwa sang Alamada; ceb, Lungsod sa Alamada; tl, Bayan ...

. At the town of

Libungan, Cotabato Libungan, officially the Municipality of Libungan ( Maguindanaon: ''Inged nu Libungan'', Jawi: ايڠايد نو ليبوڠن; Iranun: ''Inged a Libungan'', ايڠايد ا ليبوڠن; hil, Banwa sang Libungan; ceb, Lungsod sa Libungan; tl, ...

, the river turns south-west and forms the boundary between the provinces of

Cotabato Cotabato or North Cotabato ( hil, Aminhan Cotabato; ceb, Amihanang Cotabato; Maguindanaon: ''Pangutaran Kutawatu'', Jawi: ڤڠوترن كوتاواتو; fil, Hilagang Cotabato), officially the Province of Cotabato, is a landlocked province in ...

and

Maguindanao Maguindanao (, Maguindanao language, Maguindanaon: ''Prubinsya nu Magindanaw''; Iranun language, Iranun'': Perobinsia a Magindanao''; tl, Lalawigan ng Maguindanao) was a Provinces of the Philippines, province of the Philippines located in the ...

until it drains into the

Rio Grande de Mindanao The Rio Grande de Mindanao, also known as the Mindanao River, is the second-largest river system in the Philippines. Located on the southern island of Mindanao, with a total drainage area of , draining the majority of the central and eastern po ...

at the Libungan Marsh. 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.

References

Rivers of the Philippines {{Philippines-river-stub