Barito River, is a 890 kilometres (550 mi) long river with a drainage basin of 100,000 square kilometres (39,000 sq mi), the average discharge of the river is 194,230 cubic feet per second (5,500 m3/s), located in South Kalimantan, Indonesia.[1] It originates in the Muller Mountain Range from where it flows southward into the Java Sea. Its main affluent is the Martapura River and it passes through the city of Banjarmasin.