Mi River (Chinese: 洣水) is one of three largest tributaries of Xiang River and a right-bank tributary in the middle reaches of the Xiang in Hunan, China. The river rises in Tianxin Village (Chinese: 田心村) of Xiacun Township, Yanling County. Its main stream runs generally south to northwest through Yanling, Chaling, You and Hengdong 4 counties, jjoins the Xiang in Xintang Town of Hengdong. Mi River has a length of 296 kilometres (184 mi), its drainage basin covers an area of 10,305 square kilometres (3,979 sq mi).