The Sibalom River is the longest river in the province of Antique in Panay island Philippines. With a total length of 73 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 the Panay River, Jalaur River, and Aklan River. It is located in Sibalom and San Remigio. Along with its main tributaries the 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 April 23, 2000.[1]

Sibalom River
Sibalom River is located in Visayas
Sibalom River
Sibalom River is located in Philippines
Sibalom River
Location
CountryPhilippines
RegionWestern Visayas
ProvinceAntique
City/municipalitySibalom
Physical characteristics
Source 
 • locationCentral Panay Mountain Range, San Remigio, Antique.
 • coordinates10°45′46″N 122°8′22″E / 10.76278°N 122.13944°E / 10.76278; 122.13944
 • elevation4,000 feet (1,200 m)
MouthSulu Sea
 • location
coastal border of Belison and San Jose de Buenavista
 • coordinates
10°48′42″N 121°56′51″E / 10.8117°N 121.9476°E / 10.8117; 121.9476
Length73 km (45 mi)
Basin size682 km2 (263 sq mi)
Discharge 
 • average40 m3/s (1,400 cu ft/s)
 • maximum900 m3/s (32,000 cu ft/s)
Basin features
Tributaries 
 • left
 • right
BridgesSibalom Bridge

The Sibalom River has four main tributaries by length: the 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 one of the last remaining lowland rainforests on Panay.[2]

Tributaries

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The tributaries of the Sibalom River by length are as follows:

References

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  1. ^ "Region 6 – Protected Areas". Department of Environment and Natural Resources Biodiversity Management Bureau. Archived from the original on October 15, 2014. Retrieved October 11, 2014.
  2. ^ Salas, Jessica (2012). Common Land, Common Waters, the Island Perspective in Watershed Management: The Case of Panay Island (PDF). Quezon City: Foundation for the Philippine Environment. Archived from the original (PDF) on October 18, 2014.