Teunom River is a river in northern Sumatra, in the province of Aceh, Indonesia, about 136 kilometres (85 miles) southeast of Banda Aceh.

[1][2] The river flows along the northern area of Sumatra with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).

The warmest month is February, when the average temperature is around 26 °C, and the coldest is January, at 22 °C.

[4] The average annual rainfall is 4059 mm.

The wettest month is November, with an average of 536 mm rainfall, and the driest is July, with 205 mm rainfall.