| Rokan-kiri River Sungai Rokan Kiri, Soengai Ro Kon-Kiri | |
|---|---|
  Location of river mouth Show map of Sumatra Rokan-kiri River (Indonesia) Show map of Indonesia | |
| Location | |
| Country | Indonesia |
| Physical characteristics | |
| Source | |
| • location | Sumatra |
| Mouth | Rokan River |
Rokan-kiri River is a river inRiau province, central part ofSumatra island,Indonesia, about 1,100 km northwest of the capitalJakarta.[1][2]It is a tributary of theRokan River.
The river flows in the central area of Sumatra, which has a predominantlytropical rainforest climate (designated asAf in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 23 °C. The warmest month is August, when the average temperature is around 24 °C, and the coldest is January, at 22 °C.[4] The average annual rainfall is 2742 mm. The wettest month is November, with an average of 401 mm of rainfall, and June is the driest, with 85 mm of rain.[5]
1°23′44″N100°56′04″E / 1.39555°N 100.93458°E /1.39555; 100.93458