geo.wikisort.org - River

Barumun River is a Sumatran river that begins in Siraisan, Padang Lawas Regency in the southeastern North Sumatra, Indonesia, about 1200 km northwest of the capital Jakarta.[1][2]

Barumun Sungai Barumun, Aek Baroemoen
Location of river mouth Show map of Sumatra Barumun River (Indonesia) Show map of Indonesia
Location
Country	Indonesia
Physical characteristics
Source
• location	Siraisan, Padang Lawas, North Sumatra
• elevation	1500 m
Mouth
• location	Malacca Strait
• elevation	0 m
Length	440 km (270 mi)

Hydrology

The river flows northward through North Padang Lawas, South and Labuhan Batu Regency before it reaches Sumatra east coast with its estuary in Malacca Strait.

The largest city on the Barumun is Kotapinang, South Labuhan Batu, with a population of 54.000 people. While the largest city in the Barumun basin is Rantau Prapat, which is located on the Bilah with a population of 164.000 people. It is the largest river in Sumatra with length at about 440 km.

Tributaries include the Bilah, Kanan, Batang Pane, Sihapas and Aek Sangkilon. All tributaries of Barumun River are sourced from mountainous areas along Barisan Mountains.

Geography

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 May, when the average temperature is around 25 °C, and the coldest is January, at 22 °C.[4] The average annual rainfall is 2801 mm. The wettest month is November, with an average of 381 mm rainfall, and the driest is March, with 126 mm rainfall.[5]

See also

• List of rivers of Indonesia
• List of rivers of Sumatra

References

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