Sibalom River

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
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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°48′42″N 121°56′51″E
Length	73 km (45 mi)
Basin size	682 km2 (263 sq mi)
Discharge
• average	40 m3/s (1,400 cu ft/s)
• maximum	900 m3/s (32,000 cu ft/s)
Basin features
Tributaries
• left	Maninila River Tipulu-an River Mao-it River
• right	Cansilayan River
Bridges	Sibalom 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

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

• Tipulu-an River – 33 km (20.5 miles)
• Maninila River – 31 km (19.2 miles)
• Mao-it River – 15.8 km (9.8 miles)
• Cansilayan River – 12.5 km (7.7 miles)

References

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.