<p>A 1/3-mile lava tube right off the highway. Perfect for hot summer days — stays at a cool 65°F year-round. Bring your light and explore this underground wonder.</p>
A 1/3-mile lava tube — cool 65°F year-round and perfect on hot summer days.
Also nearby
Winter sports, summer hiking, and mountain climbing for your next unexpected journey.
The Lonely Mountain (Mt. Shasta)
Volcanic features, trails and geothermal wonders in Lassen National Park.
Mount Doom (Mt. Lassen)
A breathtaking natural wonder where you can almost hear the songs of the elves.