| Bohorok River | |
| Name Other: | Sungai Bohorok, Sungai Bahorok |
| Map Size: | 285 |
| Pushpin Map: | Indonesia Sumatra North#Indonesia Sumatra#Indonesia |
| Pushpin Map Size: | 285 |
| Pushpin Map Caption: | Location of river mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | Indonesia |
| Subdivision Type2: | Province |
| Subdivision Name2: | North Sumatra |
| Subdivision Type3: | Regency |
| Subdivision Name3: | Langkat |
| Mouth: | Wampu River |
| Mouth Location: | Langkat Regency |
The Bohorok River is a river of the Langkat Regency in North Sumatra province, Indonesia, about 1,400 km northwest of the capital Jakarta.[1] It is a tributary of Wampu River.
In October 2003, a large-scale flash flood in the Bohorok killed 242 persons.[2]
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 23 °C. The warmest month is February, when the average temperature is around 24 °C, and the coldest is December, at 22 °C.[4] The average annual rainfall is 2918 mm. The wettest month is December, with an average of 352 mm rainfall, and the driest is June, with 125 mm rainfall.[5]