Tawang Chu is the main river of the Tawang district in

Arunachal Pradesh Arunachal Pradesh (, ) is a state in Northeastern India. It was formed from the erstwhile North-East Frontier Agency (NEFA) region, and became a state on 20 February 1987. It borders the states of Assam and Nagaland to the south. It shares int ...

, India. The entire district may be regarded as the basin of the Tawang Chu river. In addition, two south-flowing rivers from Tibet, viz., Tsona Chu and

Nyamjang Chu Nyamjang Chu, or Nyashang Chu () is a cross-border perennial river that originates in the Shannan Prefecture of Tibet and flows into the Arunachal Pradesh state of India, joining the Tawang Chu river just before it enters Bhutan. The Nyamjang C ...

, join the river within the district. The combined river flows west into Bhutan, where it progresses to the Manas River and flows into the

Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...

state of India. Tawang Chu is formed by the joining of three rivers originating within the Tawang district: Goshu Chu, Dungma Chu and Gorjo Chu. These rivers merge near the village of Mago (), after which the combined river is called Mago Chu. After Tsona Chu joins it, near Kyelatongbo at an elevation of , the combined river is called Tawang Chu. The river flows west towards Bhutan, passing by the

Tawang Tawang is a town and administrative headquarter of Tawang district in the Indian state of Arunachal Pradesh. The town was once the capital of the Tawang Tract, which is now divided into the Tawang district and the West Kameng district. Tawang c ...

town on its southern flank. Near Lumla, the

river originating in Tibet joins Tawang Chu. The river enters Bhutan after passing the Dudunghar Circle of the Tawang district. At Duksum, the river merges with the Kholong Chu river flowing from the north.Kholong Chhu
OpenStreetMap, retrieved 14 December 2022. The combined river is called Drangme Chhu (or Manas River). Tawang district with labels

References

Bibliography

* * {{citation , author=NJC Hydropower Limited , title=EIA study for Nyamjangchhu Hydroelectric Project , publisher=Ministry of Environment, Forest and Climate Change, Government of India , url=http://moef.gov.in/wp-content/uploads/2017/09/EIA-NJC.pdf , year=2017

External links

The course of Tawang Chu
marked on OpenStreetMap Rivers of Arunachal Pradesh Rivers of Bhutan Shannan, Tibet Tawang district