Bao River, Baohe (Chinese: 褒河), or Baoshui (Chinese: 褒水) is a river in southern Shaanxi Province, China. The river, a tributary of the Han River in the Yangtze River Basin, has a total length of 198 kilometres (123 mi) and basin area of 3,940 square kilometres (1,520 sq mi).^{[citation needed]} The average annual flow is about 50 cubic metres per second (1,800 cu ft/s).^{[citation needed]}