Sibalom River

Sibalom River is the longest river in the province of Antique in Panay island Philippines. With a total length of 72 kilometres (45 mi) and a drainage basin covering 682 square kilometres (263 sq mi), it is the largest river system in Antique and fourth longest in Panay after Panay River, Jalaur River, and Aklan River. It is located in Sibalom and San Remigio. Along with its main tributaries Mao-it River and Tipulu-an River, it forms the 5,511.47-hectare (13,619.1-acre) Tipulu-an and Mao-it River Watershed Forest Reserve (now known as Sibalom Natural Park) which was proclaimed a natural park on 23 April 2000.[1]

Sibalom River
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Location
Country	Philippines
Region	Western Visayas
Province	Antique
City/municipality	Sibalom
Physical characteristics
Source
• location	Central Panay Mountain Range, San Remigio, Antique.
• coordinates	10°45′46″N 122°8′22″E
• elevation	4,000 feet (1,200 m)
Mouth	Sulu Sea
• location	coastal border of Belison and San Jose de Buenavista
• coordinates	10.8117°N 121.9476°E / 10.8117; 121.9476
Length	72 kilometres (45 mi)
Basin size	682 square kilometres (263 sq mi)
Discharge
• average	40 m3/s (1,400 cu ft/s)
• maximum	160 m3/s (5,700 cu ft/s)
Basin features
Tributaries
• left	Maninila River Tipulu-an River Mao-it River
• right	Cansilayan River
Bridges	Sibalom Bridge

Sibalom River has four main tributaries by length, Tipulu-an River 33 km, Maninila River 31 km, Mao-it River 15.8 km and Cansilayan River 12.5 km. The river's watershed is considered as one of the last remaining lowland rainforests on Panay.[2]