Explore the Cavern at Your Own Pace

You're walking through the largest cave chamber in North America, and it feels like stepping into a cathedral designed by someone with a few million years of patience. The Big Room loop follows a paved, well-lit path past formations that range from delicate soda straws to massive stalagmites taller than a two-story house. The air holds steady around 56 degrees year-round — refreshing in summer, chilly enough to want a layer in winter. If you add the Natural Entrance route, you'll descend roughly 75 stories on a steep, switchbacking path that drops you from the desert surface into the cave's belly — your knees will know about it. The Big Room alone is gentle enough for strollers and wheelchairs on most sections. This trail is for anyone who wants to feel genuinely small in the best possible way.