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Grand Canyon Caverns

AZ-66, Peach Springs, AZ 86434, USA


The Grand Canyon Caverns is located along Route 66 in Northern Arizona. These are the largest dry caverns in the United States, located 200 to 300 feet below the surface. The Grand Canyon Caverns’ formed during the Mississippian Period of geologic time (345 million years ago ).

Location of Grand Canyon Caverns