The Middle Route Project of South to north water transfer is to transfer water from Danjiangkou Reservoir in the middle and upper reaches of Hanjiang River, the largest tributary of the Yangtze River. The main canal is excavated at the head of jiuzhong Town, Xichuan County, Henan Province, on the East Bank of Danjiangkou reservoir. Through Fangcheng pass, the watershed between the Yangtze River Basin and Huaihe River Basin, the channel is excavated along the central and western edge of the North China Plain It is a water conveyance project that flows to Tuancheng lake of Summer Palace in Beijing.
The main water supply canal is located in Henan, Hebei, Beijing and Tianjin. The water receiving areas are Nanyang, Pingdingshan, Xuchang, Zhengzhou, Jiaozuo, Xinxiang, Hebi, Anyang, Handan, Xingtai, Shijiazhuang, Baoding, Beijing and Tianjin. We will focus on solving the problem of water shortage in Henan, Hebei, Beijing and Tianjin, and provide water for production, living, industry and agriculture for more than ten large and medium-sized cities along the line. The total area of the water supply area is 155000 square kilometers, the total length of the main water delivery canal is 1277 kilometers, and the Tianjin water transmission branch line is 155 kilometers.