Subansiri River

Subansiri
Subansiri
Map of the combined drainage basins of the Ganges (yellow), Brahmaputra (violet) and Meghna (green) including the Subansiri River
Physical characteristics
SourceMount Porom
MouthBrahmaputra

The Subansiri (Chayul Chu in Tibet) is a trans-Himalayan river and a tributary of the Brahmaputra River that flows through Tibet's Lhuntse County in the Shannan Prefecture in Southwestern China, and the Indian states of Arunachal Pradesh and Assam. The Subansiri is approximately 518 kilometres (322 mi) long, with a drainage basin 32,640 square kilometres (12,600 sq mi). It is the largest tributary of the Brahmaputra contributing 7.92% of the Brahmaputra's total flow.