| Arut River Sungai Arut, Soengai Aroet | |
|---|---|
  Location of river mouth Show map of Kalimantan Arut River (Indonesia) Show map of Indonesia | |
| Location | |
| Country | Indonesia |
| Province | Central Kalimantan |
| Physical characteristics | |
| Source | |
| • location | West Kotawaringin Regency |
| Mouth | Lamandau River |
Arut River is a river in the province ofKalimantan Tengah, island ofBorneo,Indonesia, about 700 km northeast of the capitalJakarta.[1] It is a tributary of theLamandau River.[2] The river flows through the north side ofPangkalan Bun town.
The river flows in the southern area of Kalimantan with a predominantlytropical rainforest climate (designated asAf in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 24 °C. The warmest month is October, when the average temperature is around 24 °C, and the coldest is July, at 22 °C.[4] The average annual rainfall is 2778 mm. The wettest month is November, with an average of 570 mm of rainfall, and the driest is September, with 66 mm of rainfall.[5]
2°43′09″S111°34′41″E / 2.7191°S 111.5781°E /-2.7191; 111.5781