Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in ...

Colorado River advocates say failing to flood ... a canyon ecologist who represents Wild Arizona and the Grand Canyon Wildlands Council on the work group. Reeder and Stevens were among advocates ...

Critics argue that failing to flood the Grand Canyon on a regular basis causes its beaches to wash away and has a devastating impact on its wildlife. The Bureau of Reclamation has said it will not ...

In 1938, Clover and Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon’s flora. They succeeded, despite rampant sexism and numerous physical ...

SUPAI — The body of an Arizona woman who went missing ... was discovered by a group rafting down the Colorado River through the Grand Canyon around 11:30 a.m. Sunday, the park said in a statement.

The arrival of summer in Arizona means the more remote ... down and across the Grand Canyon, including the point where the Colorado River turns framed through the natural arch of Angels Window.

Here are the other Colorado ... at Glen Canyon Dam to increase reliability and predictability of water releases to Lake Mead and the Grand Canyon downstream when Lake Powell is low. Arizona's ...