乌江水电基地川江四大支流之一的乌江，又称黔江，发源于贵州省西部的乌蒙山区，在涪陵注入长江。全长1018公里，流域面积8．68万平方公里，落差2100米，年水量539亿立方米，水能蕴藏量1042．6万千瓦。乌江一向有“天险”之称。当年红军长征途中，曾数次突破乌江天险，迂回作战 Wujiang River, one of the four major tributaries of the Chuan River, is also known as Qianjiang, originating from the Wumeng Mountain region in the west of Guizhou Province and infused with the Yangtze River in Fuling. A total length of 1018 km, the basin area of ​​86,800 square kilometers, 2100 meters gap, the annual water 539 billion cubic meters, water reserves of 10.426 million kilowatts. Wujiang has always been “natural risk” said. In the course of the long march of the Red Army, Wujiang made numerous breakthroughs in natural hazards and roundabout operations