Colorado River slough at -12 river mile between Glen Canyon Dam and Lees Ferry in Glen Canyon National Recreation Area. NPS Photo.

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 ...

A water grab is taking shape in Utah, where thirsty urban development north of Salt Lake City has created demand where ...

Plumbing problems at Glen Canyon Dam, the dam holding back the second-largest reservoir in the U.S., are spurring concerns about future water delivery issues to Southwestern states supplied by the ...

Glen Canyon is famous as part of a system of spectacular scenic canyons on the Colorado River. But when the Glen Canyon Dam ...

GRAND CANYON NATIONAL PARK, Ariz.— Federal researchers reported Wednesday that despite last fall’s eradication efforts the number of invasive smallmouth bass more than doubled in the Colorado River ...

Ever wonder what the deepest lake in Arizona is? Here's what you want to know about the top spot for swimming, boating and ...

The park also contains the Glen Canyon Dam, which was completed in 1963, creating Lake Powell and changing the surrounding environment dramatically. Visitors can kayak the Colorado River which flows ...

The pay-to-play mentality has been flipped on its head along a 15.5-mile stretch of the Colorado River south of Glen Canyon Dam in Arizona. Rather than forking over money for the pleasure of hooking a ...

The reservoir was formed by the construction of the Glen Canyon Dam in northern Arizona in 1963. The dam was built to help control flooding in the Lower Colorado River Valley. Lake Powell was ...