The Grand Canyon’s North Rim in Arizona also closed Thursday because of a wildfire on adjacent Bureau of Land Management land ...

As of Thursday at 1:20 p.m., crews were battling wildfires on both rims of Black Canyon of the Gunnison in Montrose County, according to the Colorado Division of Fire Prevention and Control.

Environmental regulators have launched an investigation into a heavily trafficked lake below the Cirque of the Towers in the Wind River Range, with an Enterococci reading 384 times the safety ...

A wildfire burning in the Kaibab National Forest that prompted highway closures and expanded evacuations along the northern rim of the Grand Canyon has grown by thousands of acres.