Subansiri River, a tributary of the River Brahmaputra, has a drainage basin of about 32,640 sq km. Known to be the largest tributary of the River Brahmaputra, it is around 442 km long. Subansiri River is also known as the Gold River and is popular for its gold dust.
The Subansiri River originates from the Himalayas in China and flows towards the east and southeast into India, where it joins the River Brahmaputra. Moreover, this river also offers opportunity to enjoy rafting and angling.