The south bank of the Changjiang River tributary, come from Anhui Province Yi county s injecting into the Changjiang River in Wuhu, total length is 309 kilometers, green water is entangled and flowed, if the scene of two sides is drawn. Pool of peach blossoms, the Zhang s cross the ancient group, the New Fourth Army army headquaters old site, Lion Rock Kars Limestone Caves,etc. beauty spot of local-style dwelling houses on the way.
Trickle in blue and green Yi river in the south in Anhui clearly and clearly, ancient famous fresh water, has another name called Jing s water, cold water, rise in the southwest of Mount Huang mountain range, it is one of the main river systems of right bank of the Changjiang River. The upper reaches and easy small stream river of it stem from Yi county, the mountain range north water of square home is a straight source, clear small stream main river in river, the Northeast flow to Jing admit emblem, call blue and green the intersection of Yi and river behind the water within the territory of the county, enter the Changjiang River under China, Wuhu river tower, total length is 275 kilometers, 7105 sq.
km. of drainage areas. Blue and green Yi river is upstream to communicate with Pinghu very much, the midstream and downstream are connected with the Zhang river, water Yangjiang, aunt small stream river, still fit two artificial irrigation canals of Wu canals, mountain canals of cypress of Nanling and communicate with Jing county, form the criss-cross area of network of rivers.
Blue and green Yi river is high in the south and low in the north, although length is short, the total drop is 410 meters, there are more than 200 medium and small hydropower stations such as Chen Cun, discipline village together. Blue and green Yi river is upstream and the mountain area in state of being middling, the country fair district where rivers cross from the intersection of Wuhu and the intersection of county and the intersection of west river and town, ,the network of rivers gathers, the rivers relation is very complicated.
80% of the downstream flow are divided and flow into the Changjiang River by Zhang river, Zhao YiHe, Yang QingHe. So the blue and green Yi river master stream takes shape and has widely and makes the narrow unique phenomenon shrinking piecemeal from top to bottom in the level is distributed.