Grand Canyon
United States · North America
A gigantic rocky valley in the United States.
The Grand Canyon is a huge rocky valley in Arizona, in the United States. The Colorado River runs along the bottom.
The Grand Canyon stretches 445 kilometres through Arizona, carved by the Colorado River over about six million years. People have lived in and around the canyon for thousands of years.
Three things to know
The Grand Canyon is about 445 kilometres long and up to 1.5 kilometres deep.
The Colorado River carved it over about six million years.
Some of its rock layers tell nearly two billion years of Earth's history.
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