Name: Libungan River
native name: (Alamada River, Gribuna River )
Country: Philippines
Province:North Cotabato
Regions: SOCCSKSARGEN
Source name: Barangay Dado Alamada North Cotabato, near foot of Mount Piapayungan and Asik Asik Falls
Tributaries: Alamada River
Mouth: Libungan Marsh to Rio Grande de Mindanao