Grand Canyon

by Vinutha 2010-02-13 12:37:27

The Grand Canyon, located in the northwest corner of Arizona, is the largest land gorge in the world. The Grand Canyon was carved out by the Colorado River over a period of 15 million years. It is 4 to 13 miles (6.4 to 21 kilometers) wide at its brim, 4,000 to 5,500 feet (1,219 to 1,676 meters) deep, and 217 miles (349 kilometers) long. It extends from the mouth of the Little Colorado River to the Grand Wash Cliffs. If one includes the adjacent Marble Canyon, the Grand Canyon is 277 miles (445 kilometers) long.

However, the Grand Canyon is not the deepest canyon in the United States. That distinction belongs to Kings Canyon, which runs through the Sierra and Sequoia National Forests near East Fresno, California. Kings Canyon reaches a maximum depth of 8,200 feet (2,500 meters).

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