 It aims to divert water from the headwaters of the Yangtze River (the Tongtian, Yalong and Dadu Rivers) into the headwaters of the Yellow River.To move the water through the drainage divide between these rivers, huge dams and long tunnels are needed to cross the Tibetan Plateau and Western Yunnan Plateaus.This route is designed to bring 3.8 billion m3 of water from three tributaries of the Yangtze River about 450 km across the Bayankala Mountains to northwest China.