Rio Grande de Mindanao

Rio Grande de Mindanao
Drainage map of Mindanao River
Rio Grande de Mindanao is located in Mindanao
Rio Grande de Mindanao
Mindanao River mouth
Rio Grande de Mindanao is located in Philippines
Rio Grande de Mindanao
Rio Grande de Mindanao (Philippines)
Location
CountryPhilippines
Region
Province
Cities
Physical characteristics
SourceKitanglad Mountain Range
 • locationBrgy. Kalabugao, Impasugong, Bukidnon
 • coordinates8°27′15″N 125°09′46″E / 8.45417°N 125.16278°E / 8.45417; 125.16278
MouthIllana Bay
 • location
Cotabato City
 • coordinates
7°15′20″N 124°12′0″E / 7.25556°N 124.20000°E / 7.25556; 124.20000
 • elevation
0 m (0 ft)
Length373 km (232 mi)[1]
Basin size23,169 km2 (8,946 sq mi)[2]
Discharge 
 • average1,400 m3/s (49,000 cu ft/s)
 • maximum3,000 m3/s (110,000 cu ft/s)
Basin features
Tributaries 
 • left
 • right

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 23,169 km2 (8,946 sq mi),[2] draining the majority of the central and eastern portion of the island, and a total length of approximately 373 km (232 mi).[1][3] It is an important transportation artery, used mainly in transporting agricultural products and, formerly, timber.

Its headwaters are in the mountains of Impasugong, Bukidnon, south of Gingoog in Misamis Oriental, where it is called the Pulangi River. Joining the Kabacan River, it becomes the Mindanao River. Flowing out of the mountains, it forms the center of a broad, fertile plain in the southcentral portion of the island. Before its mouth in Illana Bay, it splits into two parallel sections, the Cotabato and Tamontaka, separated by a 180 m (590 ft) hill.

Population centers along the river include Cotabato City, Datu Piang and Midsayap.

  1. ^ a b Kenneth Kimutai too (July 24, 2018). "Longest Rivers In The Philippines". worldatlas.com. WorldAtlas. Retrieved September 6, 2019.
  2. ^ a b Vicente B. Tuddao Jr. (September 21, 2011). "Water Quality Management in the Context of Basin Management: Water Quality, River Basin Management and Governance Dynamics in the Philippines" (PDF). www.wepa-db.net. Department of Environment and Natural Resources. Retrieved April 5, 2017.
  3. ^ Principal River Basins of the Philippines, published by the National Water Resources Board, October 1976 (p. 12)

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