The Sibalom River is the longest
river in the province of
Antique
An antique ( la, antiquus; 'old', 'ancient') is an item perceived as having value because of its aesthetic or historical significance, and often defined as at least 100 years old (or some other limit), although the term is often used loosely ...
in
Panay
Panay is the sixth-largest and fourth-most populous island in the Philippines, with a total land area of and has a total population of 4,542,926 as of 2020 census. Panay comprises 4.4 percent of the entire population of the country. The City o ...
island
Philippines. With a total length of and a
drainage basin covering , 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
The Mao-it River is a tributary of the Sibalom River located in Antique province in the Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, ...
and
Tipulu-an River
The Tipulu-an River is a tributary of the Sibalom River located in Antique
An antique ( la, antiquus; 'old', 'ancient') is an item perceived as having value because of its aesthetic or historical significance, and often defined as at least ...
, it forms the Tipulu-an and Mao-it River
Watershed
Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to:
Hydrology
* Drainage divide, the line that separates neighbouring drainage basins
* Drainage basin, called a "watershe ...
Forest Reserve (now known as
Sibalom Natural Park) which was proclaimed a
natural park on 23 April 2000.
The Sibalom River has four main tributaries by length: the
Tipulu-an River
The Tipulu-an River is a tributary of the Sibalom River located in Antique
An antique ( la, antiquus; 'old', 'ancient') is an item perceived as having value because of its aesthetic or historical significance, and often defined as at least ...
33 km,
Maninila River 31 km,
Mao-it River
The Mao-it River is a tributary of the Sibalom River located in Antique province in the Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, ...
15.8 km and
Cansilayan River 12.5 km. The river's watershed is considered one of the last remaining
lowland rainforests on
Panay
Panay is the sixth-largest and fourth-most populous island in the Philippines, with a total land area of and has a total population of 4,542,926 as of 2020 census. Panay comprises 4.4 percent of the entire population of the country. The City o ...
.
Tributaries
The tributaries of the Sibalom River by length are as follows:
*
Tipulu-an River
The Tipulu-an River is a tributary of the Sibalom River located in Antique
An antique ( la, antiquus; 'old', 'ancient') is an item perceived as having value because of its aesthetic or historical significance, and often defined as at least ...
– 33 km (20.5 miles)
*
Maninila River – 31 km (19.2 miles)
*
Mao-it River
The Mao-it River is a tributary of the Sibalom River located in Antique province in the Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, ...
– 15.8 km (9.8 miles)
*
Cansilayan River – 12.5 km (7.7 miles)
References
Rivers of the Philippines
Landforms of Antique (province)
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