The Batang River (Chinese language: 巴塘河, pinyin Batánghé) or Zha Chu (Chinese language: 札曲, pinyin Zháqū; Standard Tibetan: Za Qu), whose two sources are Za Qu (w rdza Chu, Tibetan pinyin Za Qu) and Bai Qu (Standard Tibetan: དཔལ་ཆུ།, w Dpal Chu, Tibetan pinyin Bä Qu), is an long river in Yushu Tibetan Autonomous Prefecture, south-eastern Qinghai province, in the People's Republic of China. The river begins in the highlands of central Yushu County and flows easterly through the townships of Batang Township (巴塘乡) and Gyêgu before meeting the Tongtian River at the border of Yushu County with Chindu County. The Tongtian is the main stem of the Yangtze River, and its confluence with the Batang is traditionally considered to mark the beginning of the Jinsha River section of the Yangtze. The Batang River's watershed covers and its average flow is 29 m³ per second.