The Palisades fire burned several miles of trails in the Santa Monica Mountains but did not make it far west enough to harm ...

In Eaton Canyon, a beloved hiking area, more than two dozen trails appear to have burned, including those leading to Millard ...

A leak released chlorine, used for water treatment at the park, forcing park authorities to close several trails.

Three trails at the Grand Canyon are closed until further notice after a chlorine gas leak at Roaring Springs.

Water from Roaring Springs is treated with chlorine to disinfect and to control microbes within it, officials noted.

An emergency situation at the Grand Canyon forced the closure of inner corridor trails, including the Bright Angel Trail, ...

A chlorine gas leak at the Grand Canyon forced the closure of several inner corridor trails until further notice, park officials announced Wednesday evening.

Several popular trails in Grand Canyon National Park are closed indefinitely due to a chlorine leak in the Roaring Springs ...

The Grand Canyon is a deep and gorgeous canyon in Arizona that has been carved by the Colorado River for … Continue reading ...

The National Park Service said on Wednesday evening that inner canyon corridor trails at the Grand Canyon were closed due to ...

A chlorine gas leak in the North Rim forced Grand Canyon National Park officials to close three trail heads until further ...