List of rivers of Assam
Burhi Dihing - A large south bank tributary of the Brahmaputra and about 380 kilometers long. It is formed by the confluence of the Namphuk and the Namchik, which rises from the Patkai ranges and the Maganton river which is the southern branch of the Noadehing. The Namphuk is considered as the principal source of the Buridehing. The river drains into the Brahmaputra at Dihingmukh in Dibrugarh district of Assam. River Disam is a tributary of the Burhi Dihing.