Highly Recommended

The Lava River Cave, in the Coconino National Forest near Flagstaff, Arizona, is a mile-long lava tube formed around 700,000 years ago. With a steady temperature of 35–40°F year-round, it offers a cool summer escape and showcases unique lava formations like frozen ripples and stone icicles.

Adventure in Nature

Northern Arizona

1–2 hours

Highly Recommended

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About the Attraction

Lava River Cave is a hidden underground wonder in Arizona, offering a unique exploration of an ancient volcanic formation. Here’s what makes it special:

Ancient Lava Tube: Formed over 700,000 years ago, this mile-long lava tube is a fascinating journey into the Earth’s volcanic past. The cave’s dark, cool atmosphere adds a sense of mystery as you explore its depths.
Cool Temperatures Year-Round: The cave maintains a temperature of around 42°F (5.5°C) year-round, providing a refreshing escape from Arizona’s desert heat. Visitors should dress warmly and bring sturdy shoes for exploring the rocky terrain.
Adventure in the Dark: Unlike guided caves, Lava River Cave is self-guided, giving explorers a true sense of adventure. A reliable flashlight is essential, as the cave has no artificial lighting, enhancing the thrill of exploration.
Unique Geological Features: The lava tube’s walls reveal fascinating textures, including "lava ripples" and “lava benches” that hint at the flow of molten rock that once filled this tunnel.

Lava River Cave offers an exciting, off-the-beaten-path experience, ideal for adventurers eager to explore Arizona’s geological history in a cool, underground setting.