One among the four rivulets of the Dhansiri, Doyang River is in
Kohima District of
Nagaland. Originating from the
Japfu peak, the river traverses the western part of the district and finally joins the river Dhansiri in
Assam. It is a sub tributary of the
Brahmaputra. The Doyang Hydro Electric Power Project, in
Wokha District of Nagaland, utilizes the discharge from the Doyang.