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About Grand Canyon

The Grand Canyon  is a steep-sided canyon carved by the Colorado River in the state of Arizona. It is contained within and managed by Grand Canyon National Park, the Kaibab National Forest, Grand Canyon-Parashant National Monument, the HualapaiTribal Nation, the Havasupai people and the Navajo Nation.

The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters). Nearly two billion years of Earth’s geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted.


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