One among the four rivulets of the Dhansiri, Doyang River is in Kohima District
. 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.