15 Best Caves to Explore in Arizona

The Boynton Canyon Trail will lead you to the once-hidden gem known as Subway Cave in Sedona. While this secret cave is no longer so secret, much of the trail and even the cave itself are still unmarked and easy to miss if you aren’t paying attention. If the parking lot at the Boynton Canyon Trailhead is full, park a short distance away on Boynton Pass Road. Keep track of how far you hike because the turnoff that leads to the cave is near the second mile.  

It is not marked and is easy to miss. Veteran visitors can confirm that some locals and even other hikers sometimes throw branches across the turnoff in order to hide it. Ah, but while this trail is sometimes hard to follow and is often overgrown, the cave is incredible inside. Be sure to get a gander at the striking Native American ruins right on the ledge along the left side of the cave too.  

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