River, Liaoning province and Inner Mongolia autonomous region, China.
The East Liao rises in the mountains of Jilin province and the West Liao in southeastern Inner Mongolia. They merge and flow southwest as the Liao to empty into the Gulf of Liaodong, after a course of 836 mi (1,345 km). The river's drainage basin occupies 83,000 sq mi (215,000 sq km). It is navigable by small boats for about 400 mi (645 km) from its mouth.