| Tungkal River | |
| Name Other: | Sungai Tungkal, Soengai Toengkal, Toengkal River, Soengai Toengkat |
| Pushpin Map: | Indonesia Sumatra#Indonesia |
| Pushpin Map Size: | 285 |
| Pushpin Map Caption: | Location of river mouth |
| Source1 Location: | Sumatra |
| Subdivision Type1: | Country |
| Subdivision Name1: | Indonesia |
| Subdivision Type2: | Province |
Tungkal River is a river in Jambi province, Sumatra island, Indonesia, about 700 km northwest of the capital Jakarta.[1] [2]
The river flows in the southwest area of Java with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 24 °C. The warmest month is September, when the average temperature is around 26 °C, and the coldest is December, at 22 °C.[4] The average annual rainfall is 2907 mm. The wettest month is December, with an average of 410 mm rainfall, and the driest is June, with 137 mm rainfall.[5]