Among the dams on the Colorado is Arizona’s Glen Canyon Dam, which creates Lake Powell. The deep, narrow, meandering reservoir extends upstream into southern .
Lake Powell is the 2nd largest reservoir in the United States, capable of storing 24.3 million acre-feet of water.

Water flowing through Glen Canyon Dam provides a valuable source of hydroelectricity.

In addition, Lake Powell is considered by many to be the most beautiful lake in the world, with sandstone canyons and 96 major tributaries awaiting exploration