Grand Canyon, Arizona

The Grand Canyon (Hopi: Ongtupqa; Yavapai: Wi:kaʼi:la, Navajo: Tsékooh Hatsoh, Spanish: Gran Cañón) is a steep-sided canyon carved by the Colorado River in the state of Arizona in the United States. Between 100,000 and 3 million years ago, volcanic activity deposited ash and lava over the area which at times completely obstructed the river. These volcanic rocks are the youngest in the canyon.

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