Sungai Baliem is a river in the central highlands of Papua Province with a length of 414 km. The river has its source at Danau (Lake) Habbema at an altitude of about 3,300 m. The river flows quite some distance towards the west and north before it turns east and enters the Baliem Valley. Southeast of the valley the river flows through a deep gorge. In the southern lowlands it joins the Pulau River, a major river in the south of Papua Province.