Lava River Cave: A Subterranean Journey Through Volcanic History
Explore a 700,000-year-old lava tube near Flagstaff, Arizona, with constant cool temperatures, unique geological formations, and a thrilling subterranean adventure.
Descend into the depths of the Lava River Cave, a 700,000-year-old lava tube near Flagstaff, Arizona. Explore this unique geological wonder formed by molten rock, where the temperature remains a constant cool 35-45°F, even in summer. Remember to bring multiple light sources and warm clothing for your adventure!
A brief summary to Lava River Cave
- 171B Forest Rd, Flagstaff, Arizona, 86001, US
- +1928-526-0866
- Visit website
Local tips
- Wear sturdy hiking boots or closed-toe shoes with good traction due to the uneven and slippery cave floor.
- Bring at least two reliable light sources per person, such as headlamps or flashlights, as the cave is completely dark.
- Dress warmly in layers, as the cave temperature remains between 35° and 45°F (2° and 7°C) year-round.
- Consider wearing a helmet to protect your head from low ceilings and uneven surfaces within the cave.
- Check road conditions and access to the cave, especially during winter, as Forest Roads 245 and 171 may be closed due to snow or mud.
Getting There
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Driving
To reach the Lava River Cave from Flagstaff, begin by heading north on US-180 for approximately 9 miles. Turn west (left) onto Forest Road 245 (FR 245) at milepost 230. Continue for 3 miles to Forest Road 171 (FR 171) and turn south (left). Drive 1 mile to Forest Road 171B (FR 171B) and turn left. Follow FR 171B a short distance to the Lava River Cave parking area. The final section of the route is on unpaved roads, so a high-clearance vehicle is recommended, especially in wet conditions. The drive takes approximately 45 minutes. Parking is free at the trailhead parking lot. Taxi services like Apex Taxi, Gypsy Cab, and Hurry Cab, as well as rideshare options such as Uber and Lyft, are available in Flagstaff. A taxi ride to the cave would cost an estimated $35-$50.
Discover more about Lava River Cave
Iconic landmarks you can’t miss
Historic Route 66
12.5 km
Relive the golden age of automobile travel on this well-preserved stretch of the Mother Road in Parks, Arizona.
Giovale Open Deck Observatory (GODO)
21.9 km
Explore the cosmos at Lowell Observatory's Giovale Open Deck Observatory, featuring advanced telescopes and stunning views of the Flagstaff night sky.
England House Bed & Breakfast
22.8 km
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Discover Flagstaff
23.0 km
Your adventure starts here! Get free guides, maps, and insider tips at the official Flagstaff Visitor Center in the historic Route 66 train depot.
The Grand Canyon National Park Foundation
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Supporting preservation, research, and education to protect the Grand Canyon for future generations.
Flagstaff Oktoberfest
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Experience Bavarian traditions in the Arizona mountains at Flagstaff's annual Oktoberfest, featuring beer, brats, music, and family fun.
Flagstaff Art In The Park
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Historic David Babbitt Home
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Dark Sky Brewing Co.
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Heritage Square Trust
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PJ Chilcottage
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Black Hound Gallerie
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Weatherford Hotel
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Old Town Shops
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Flagstaff Amtrak
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Unmissable attractions to see
Kendrick Mountain Wilderness
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Aspen Corner
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Snowbowl Scenic Gondola
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Arizona Snowbowl
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Agassiz Lodge & Restaurant
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Kachina Peaks Wilderness
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San Francisco Mountain
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Humphreys Peak
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Agassiz Peak
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Abineau & Bear Jaw Loop Trail
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Essential places to dine
Bow Wow Street Dogs & Grill
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Mama B’s *Formerly Mama Burger
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Josephine's Restaurant
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Galaxy Diner
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Mike & Ronda's The Place
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Himalayan Grill
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Bun Huggers
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Oregano's
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Pizzicletta at Dark Sky Brewing
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Pizzicletta
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The Toasted Owl Cafe
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Brix Restaurant & Wine Bar
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1899 Bar and Grill
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Atria
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Beaver Street Brewery
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Markets, malls and hidden boutiques
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Arlette Overseas
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I Do I Do Wedding Boutique
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University Plaza Shopping Center
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Superfast Postal Center & Gifts
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Ecollectix Coins, Cards & Collectibles
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Planet Science
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ZANI Cards & Gifts
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Sage Brush Trading Co
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Basement Marketplace
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22 LeRoux
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Incahoots Vintage Clothing & Costumes
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Rad Stuff
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Rainbow's End
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Essential bars & hidden hideouts
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Gopher Hole at the Weatherford Hotel
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Uptown Pubhouse
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Hops On Birch
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Oeno Wine Lounge
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Collins Irish Pub
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Mountain Top Tap Room
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Flagstaff Brewing Company
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FLG Terroir: Wine Bar & Bistro
23.5 km
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Rendezvous
23.5 km
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Monte Vista Cocktail Lounge
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Foram Bar
23.6 km
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The Annex Cocktail Lounge
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Southside Tavern
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Savor the authentic taste of Mexico at Southside Tavern in Flagstaff, where vibrant flavors meet a lively atmosphere.
