[1] It is a tributary of the Taritatu River,[2] The total length is 188.861 km.

[3] which it forms by merging with the Nawa River.

The river flows in the northern area of Papua with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).

The warmest month is April, when the average temperature is around 22 °C, and the coldest is January, at 20 °C.

The wettest month is January, with an average of 579 mm rainfall, and the driest is July, with 205 mm rainfall.