| Bulaka River Boelaka-rivier | |
|---|---|
| Location | |
| Country | |
| Physical characteristics | |
| Source | |
| • location | Western Papua |
| Mouth | Arafura Sea |
• coordinates | 8°06′S 139°12′E / 8.1°S 139.2°E |
The Bulaka River is a river in South Papua province, Indonesia.
The river flows in the southern area of Papua with a predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification). The annual average temperature in the area is 23 °C. The warmest month is October when the average temperature is around 26 °C, and the coldest is June, at 20 °C. The average annual rainfall is 2155 mm. The wettest month is February, with an average of 356 mm of rainfall, and the driest is August, with 16 mm of rainfall.