Aerial image of Glen Canyon Dam, a concrete arch on the Colorado River. Water levels are at their lowest since the 710-foot-high dam filled to capacity in the early 1980s. Pete McBride The water ...

about 50 miles away from Lake Powell’s dam. You can take a hike up through miles of rocky canyon, boat up to the bridge ...

Federal officials have discovered damage inside Glen Canyon Dam that could force limits on how much Colorado River water is released at low reservoir levels, raising risks the Southwest could face ...