The Jalaur River, also known as Jalaud River, is the second longest river on Panay island in the Philippines, with a total length of 123 km and the second largest by drainage basin after Panay River in Capiz. The Jalaur has a drainage area of 1,503 square kilometres. Its source is in the Central Panay Mountain Range, west of Calinog, and the river traverses eas…The Jalaur River, also known as Jalaud River, is the second longest river on Panay island in the Philippines, with a total length of 123 km and the second largest by drainage basin after Panay River in Capiz. The Jalaur has a drainage area of 1,503 square kilometres. Its source is in the Central Panay Mountain Range, west of Calinog, and the river traverses east to southeast before emptying into the Guimaras Strait. It drains the eastern portion of Panay and courses through Passi City and the towns of Leganes, Zarraga, Dumangas, Barotac Nuevo, Pototan, Dingle, San Enrique, Dueñas, and Calinog, all in Iloilo province.