Kings House Motor Hotel
Kings House Motor Hotel
Venture underground into this mile-long lava tube formed by a volcanic eruption over 700,000 years ago. Located just outside Flagstaff, this self-guided adventure takes you through a cool, dark tunnel of ancient basalt rock—so bring a flashlight and prepare for a one-of-a-kind subterranean journey.
Lava River Cave
Last updated on: 04/09/2025
