Lava River Cave
4.8FreeOpen now · open 24 hoursExplore a dark subterranean lava tube hidden within Coconino Forest

Located in Coconino National Forest northwest of Flagstaff, Lava River Cave is a mile-long underground lava tube formed over 500,000 years ago. Visitors can hike through the dark cavern, where temperatures remain between 35 and 45 degrees Fahrenheit year-round regardless of outside heat. The natural underground trail features unique volcanic rock formations, low ceilings, and uneven basalt terrain.
Expert notes
- Wear sturdy shoes suitable for uneven terrain.
- Do not touch the cave formations to preserve their integrity.
- Stay on marked paths to protect the delicate ecosystem.
- Bring sufficient water and snacks for your visit.
- Check the weather before heading out; the cave can be slippery when wet.
- Inform someone of your plans before entering the cave.
- Be aware of your surroundings and watch for low ceilings.
- Avoid bringing large bags or backpacks into the cave.
- Keep noise to a minimum to respect wildlife and other visitors.
- Plan your visit during daylight hours for better visibility.
- Use a headlamp in addition to a flashlight for hands-free lighting.
- Keep an eye out for bats, especially during warmer months.
- Educate yourself about cave safety before your visit.
- Do not enter the cave alone; it's safer to explore with a friend.
- Leave no trace; pack out any trash you bring in.
Features
- Accessible parking
- Access to picnic areas
- Cool cave temperatures
- Family-friendly
- Hiking trails nearby
- Informational signage
- Natural cave formations
- No entry fees
- Peaceful environment
- Photography opportunities
- Restroom facilities nearby
- Scenic surroundings
- Self-guided exploration
- Unique geological history
- Wildlife viewing opportunities
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