Huolin

The Huolin River flows east from the Greater Khingan into the grasslands and wetlands of the western Songnen plain. On the low ground its waters spread through marshes rather than remaining in a single channel. The river feeds lakes and wet meadows, including the basin of Chagan Lake. In years of abundant water the lake could overflow toward the Nen. Reeds, shallow pools and pasture meet in this broad transition between the upland river and the plain.