Xi River system | river system, China | Britannica
Xi River system, Chinese (Pinyin) Xi Jiang or (Wade-Giles romanization) Hsi Chiang ("West River"), conventional Si Kiang, system of rivers that combine to form the longest river of southern China.Together with its upper-course streams, the Xi River flows generally eastward for 1,216 miles (1,957 km) from the highlands of Yunnan province to the South China Sea and drains—along with the ...