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

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

The Grand Canyon covers 1,904 square miles in Arizona, and is one of the most famous ... Recently, the discovery of dangerous chlorine gas forced trail closures at Grand Canyon National Park ...

GRAND CANYON, AZ — Three trails at the Grand Canyon are closed until further notice. Grand Canyon National Park announced on Facebook that the Bright Angel Trail, the South Kaibab Trail ...

GRAND CANYON NATIONAL PARK, AZ (AZFamily) — People can once again enjoy a hike at Arizona’s world-famous natural wonder. The National Park Service said on Wednesday evening that inner canyon ...

For more information on the North Kaibab trail, consult the NPS website. 45-minute Helicopter Flight Over the Grand Canyon from Tusayan, Arizona (1816 reviews) ...

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

All inner canyon trails at the Grand Canyon reopened after a chlorine ... live events — including daily newscasts like "Today in AZ" and "12 News" and our daily lifestyle program, "Arizona ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

The impact of fire on the landscape, is significant across the Southwest. One of the best hikes where this is explained is ...

This article originally appeared on Arizona Republic: These popular Grand Canyon hiking trails are closed. Here's why ...