Geologic Wonders
Lava River Cave

The Flagstaff-area Lava River Cave is a natural museum of sorts open to the public for underground hiking adventures. Bring a flashlight or a lantern... and watch your head!
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The Flagstaff-area Lava River Cave is a natural museum of sorts open to the public for underground hiking adventures. Bring a flashlight or a lantern... and watch your head!
Last updated April 14th, 2025