| Kumu River Sungai Kumu | |
|---|---|
  Location of river mouth Show map of Sumatra Kumu River (Indonesia) Show map of Indonesia | |
| Location | |
| Country | Indonesia |
| Province | Riau |
| Physical characteristics | |
| Source | Bukit Barisan |
| • location | Koto Nopan,Pasaman Regency |
| • elevation | 450 m (1,480 ft) |
| Mouth | Rokan River |
| Basin features | |
| River system | Rokan basin |
Kumu River is a river inRiau province, central-easternSumatra,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 March, when the average temperature is around 24 °C, and the coldest is January, at 22 °C.[4] The average annual rainfall is 3766 mm. The wettest month is November, with an average of 336 mm rainfall, and the driest is July, with 113 mm rainfall.[5]
0°54′51″N100°17′07″E / 0.9142°N 100.2852°E /0.9142; 100.2852