Kualu River is a river in northern Sumatra, Indonesia, about 1600 km northwest of the capital Jakarta.[1][2]
| Kualu River Sungai Kualu, Air Kualu, Soengai Koealoe | |
|---|---|
| Location | |
| Country | Indonesia |
| Physical characteristics | |
| Source | |
| • location | North Sumatra |
| Mouth | Malacca Strait |
The river flows in the northern area of Sumatra with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 21 °C. The warmest month is March, when the average temperature is around 26 °C, and the coldest is October, at 20 °C.[4] The average annual rainfall is 3730 mm. The wettest month is October, with an average of 491 mm rainfall, and the driest is March, with 136 mm rainfall.[5]