Berau River
Berau River is a river of Borneo, East Kalimantan, Indonesia, about 1500 km northeast of the capital Jakarta. Tributaries include the Kelai River.Geography
The river flows in the eastern area of Kalimantan with predominantly tropical rainforest climate. The annual average temperature in the area is 23 °C. The warmest month is April, when the average temperature is around 24 °C, and the coldest is January, at 22 °C. The average annual rainfall is 2835 mm. The wettest month is December, with an average of 332 mm rainfall, and the driest is August, with 154 mm rainfall.