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The Grand Canyon State, Arizona, is known far and wide for its natural wonders. There are over 2400 verified caves in the state, and that’s not counting the ones hidden underground, with no viable entry point.
Not all of these caves are accessible to tourists, mainly because of their fragile ecosystems. Luckily, though, some of the best caves in Arizona are perfect for trekking.
Exploring a cavern or going caving is often a unique experience. That is because these wonders of nature are full of incredible mineral or rock formations, wildlife, and an often unknown but ancient history to discover. While most caves in Arizona are inaccessible, we can share with you a handful of the ones you can visit on your next trip to Arizona.
1. Kartchner Caverns
Address: 2980 AZ-90, Benson, AZ 85602
The stunning limestone cave, the show cave of Kartchner Caverns State Park, is the one cave tour you can’t miss. Known for its array of magnificent speleothem formations that date back 50,000 years, the Kartchner Caverns are a cave nerd’s destination. Just discovered in 1974, the caverns are some of the newest show caves you’ll likely find.
Truly the highlight of Kartchner Caverns State Park, the Kartchner Caverns have two areas open to the public: the Throne Room and the Big Room. In the Throne Room, you’ll discover one of the longest soda straw stalactites in the world at a whopping 21 ft!
Meanwhile, in the Big Room tour, you’ll find the most extensive formation of brushite moonmilk. The Big Room is closed during the summertime because it is a vital nursery roost for cave bats.
See Related: Things to Do in Cave Creek, Arizona
2. Colossal Cave
Address: 16721 E Old Spanish Trail, Vail, AZ 85641
A short drive outside of Tucson in Colossal Cave Mountain Park, you’ll find Colossal Cave. Inside, there are 3.5 miles of passages to explore.
Given the ancient age of this cave, it is referred to as a karst or dry cave. That means the formations inside of it are dry or dead, and cannot grow. This is unlike other caves that are constantly growing stalagmites or other formations.
The guided tour through Colossal Cave is perfect for the whole family. It takes only about 40 minutes to complete at just half…
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