Grand Canyon - Intro
Grand Canyon - Intro
The Grand Canyon is a steep-sided canyon carved by the Colorado River in Arizona, United States.
Floor elevation: Approx. 2,600 feet (800 m)
Length: 277 miles (446 km)
Width: 4 to 18 miles (6.4 to 29.0 km)
Location: Arizona
Age: 5–6 million years
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