The Grand Canyon's three Inner Corridor trails had to be shut after workers discovered dangerous chlorine gas at the Roaring ...

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, ...

At this time, it isn't clear what caused the gas leak, but the trails have been reopened to the public and deemed safe for ...

Bright Angel, South Kaibab and North Kaibab trails were all closed. The gas leak was at Roaring Springs, which is the water ...

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 ...

The Grand Canyon, located in Arizona, USA, is one of the most iconic natural wonders in the world. Carved over millions of ...

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 ...

From Grand Canyon to Petrified Forest to Saguaro National Park, here are the best things to do in Arizona's most beautiful ...