Grand Canyon Caverns & Inn is a recreational resort located in northern Arizona. The caverns, created over 65 million years ago, are the largest dry caverns in the U.S. In addition to caverns tours, the property offers hotel rooms, restaurants, campgrounds, camper park, and hiking. As a tribally owned and operated entity of the Havasupai Tribe, the Grand Canyon Caverns & Inn prides itself on providing excellent service while maintaining cultural values.