The Grand Canyon Caverns (Havasupai: Ŧathiil Ñwaʼa or Ŧathiil Ñhaʼa, 35°31′44″N 113°13′54″W), located just a few miles east of Peach Springs, Arizona, lie 210 feet (64 m) below ground level. They are among the largest dry caverns in the United States. Dry caverns compose only 3% of caverns in the world. Because of the lack of water, stalagmites and stalactites are rare in the caverns.Use our Hualapai Reservation road trip website to visit Grand Canyon Caverns on your trip to Hualapai Reservation, and learn what else travelers and our writers recommend seeing nearby.
During the Mississippian Period, 345 million years ago, the southwestern United States was covered by ocean. Skeletons of sea life settling to the depths, created a mud with a high percentage of calcium. This eventually hardened into the limestone bedrock seen in the caverns today. Over millions of years, the bedrock was pushed up to over 5,000 feet (1,500 m) above sea level.
Approximately 35 million years ago, rainfall flowed into the rock, and eroded passages that lead to the Colorado River and what is now the Grand Canyon. Millions of years later, the evaporating water left calcium deposits on the walls and floors, creating the formations that can be viewed today.
Grand Canyon Caverns reviews
Grand Canyon Caverns is a very unique experience. Located off Route 66, it is a family run business. The tour cost $20 pp for Seniors and is well worth it. Our tour guide Dino knew the... more »
Had found this online as we were visiting Flagstaff for a couple days and decided to spend our Sunday visiting the caverns. Not disappointed at all, easy drive from Flagstaff and some of the most... more »
Good food. The cavern tour is interesting. I would say the walking is moderate due to the terrain and some areas are steep for non-fit folks. Temps inside the cavern is around 62 degrees so wear according based on your body. Staff is knowledgeable and fun.
Group of 8... had a fabulous time! The caves were much bigger than expected! Food looked amazing in restaurant. We have a slice of banana pie and cheesecake. Both absolutely delicious! Would highly recommend going!
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Side trips from Hualapai Reservation
Gift & Specialty Shop
Angel & Vilma Delgadillo's Route 66 Gift Shop & Visitor's Center
Duration: 2 hours
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