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.

The Grand Canyon covers 1,904 square miles in Arizona, and is one of the most famous National Parks in the U.S. Nearly 5 million visitors flock to the canyon ea ...

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

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

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

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

The new Transcanyon Waterline project will replace the old pipe built in the 1970s and change how the Grand Canyon gets its water.

The chlorine gas leak was reported at Roaring Springs, which is the water source for all canyon facilities. All inner canyon corridor trails temporarily closed, including: Bright Angel South ...