or Hsiang River conventional Siang River
River, Hunan province, southeastern China.
One of the principal tributaries of the Yangtze River (Chang Jiang), it flows 500 mi (800 km) from the mountains in northern Guangxi autonomous region, through Hunan province, into Dongting Lake , and then into the Yangtze. Large vessels from the Yangtze can reach as far as Changsha via the Xiang. The river has been a north-south trade route for centuries.