Nuomin

The Nuomin River runs out of the forests of the Greater Khingan to join the Nen from the west. Its tributaries drain wooded slopes before the valley opens toward the plain. The surrounding country was part of the wider Buteha hunting district in Qing times, inhabited by Solon, Daur and Oroqen communities. Some households supplied sable pelts as tribute, while others furnished soldiers for the frontier garrisons. The river gave a route between the mountain forests and the Nen valley.