The visitor center is open Sunday and Monday from 9:00 AM to 4:30 PM, closed Tuesday and Wednesday, and open Thursday to Saturday from 9:00 AM to 4:30 PM during winter and spring. From Memorial Day to late September, it’s open daily from 8:00 AM to 6:00 PM, and then daily from 8:00 AM to 4:30 PM for the rest of the year, except for federal holidays.
The entrance fee at Craters of the Moon National Monument is $20 per private vehicle, $15 per motorcycle, and $10 per person. These fees cover entry for seven consecutive days. An annual pass is available for $80, and America the Beautiful passes are also accepted.
From Idaho Falls, drive 90 miles northwest on U.S. Hwy 20/26/93, passing through the stark beauty of the Snake River Plain, to reach this otherworldly lava landscape.
Parking is available at the Robert Limbert Visitor Center and various overlooks. RVs, including large ones, can park at the visitor center and major trailheads. Cars and motorcycles also have designated spaces. Overnight parking is allowed in the campground, but not in day-use areas. No parking fees, but entrance fees apply.
Accessibility & permits
Emergency
- Cell service availability:None
Craters of the Moon National Monument and Preserve, situated in the vast expanse of Idaho’s Snake River Plain, is a realm of surreal beauty and geological wonder. This landscape, forged by volcanic eruptions, presents an ocean of lava flows punctuated by scattered islands of cinder cones and sagebrush. The terrain is both harsh and mesmerizing, with trails like the Inferno Cone and Tree Molds trails offering a glimpse into the area’s unique geological history.
As you explore, the silence is broken only by the rustle of sagebrush and the occasional hoot of an owl. The park’s lava tube caves, accessible with a free permit, reveal an underground world of ancient volcanic activity. Above ground, the scenic Loop Drive winds through this volcanic sea, providing breathtaking vistas of the lava fields and the surrounding wilderness.
Seasonal changes paint the landscape in varied hues; spring brings a burst of wildflowers, summer warms the lava rocks, and autumn cools the air with a crisp breeze. In the winter, snow blankets the lava, creating a serene and untouched environment.
Historically, this area has been significant; it was a training ground for NASA’s Apollo astronauts, who practiced navigating harsh environments here. Today, it is a place where nature and history converge. For those seeking to immerse themselves in this unique environment, the Craters Inn and its cabins offer cozy accommodations.
Nearby, the town of Arco, with its quaint shops and local eateries, provides a charming respite from the wilderness. Local outfitters offer guided tours and equipment for those eager to delve deeper into the park’s rugged beauty. Whether you are drawn to the geological marvels, the wildlife, or the tranquil atmosphere, Craters of the Moon National Monument and Preserve is an experience that will leave you in awe of nature’s raw power and beauty.
- Area (mi²)
- 1117
- Annual visitors
- 257 598
- Established year
- 1924
Top 3 Facts about Craters of the Moon National Monument
Apollo astronauts, including Alan Shepard and Eugene Cernan, trained here from 1969 to 1972 to practice collecting rock specimens in a harsh, unfamiliar environment, preparing them for the Moon’s surface. The area’s lava tubes, like Indian Tunnel, are up to 30 feet high and 800 feet long.
This volcanic landscape is home to over 750 plant species and more than 2000 insect species. Here, crepuscular mule deer and coyotes roam alongside nocturnal woodrats and bats that hibernate in lava tubes. Birds include nighthawks and owls, while unique fauna like the pronghorn and pika inhabit the area. The diverse flora thrives on lava flows and in cinder fields, creating a vibrant ecosystem amidst the harsh yet beautiful terrain.
In this vast ocean of lava flows, Big Cinder Butte stands tall at 700 feet, one of the largest purely basaltic cinder cones in the world. The landscape is dotted with unique formations, including the Blue Dragon flow, notable for its striking blue color, and lava tubes like Indian Tunnel, passable for 800 feet. The area’s harsh yet breathtaking beauty is a testament to volcanic activity, with scattered islands of cinder cones and sagebrush steppe grasslands.
Family programs
- Junior Ranger
- Virtual Junior Activities
- Family Camping & Overnight
- Self-guided Tours
- Workshops & Hands-on Activities
- Night Sky & Astronomy
Travel Tips
Plan Ahead
Plan a few days in late summer to avoid harsh weather. Start at the visitor center, then drive the scenic Loop Road. Wear sturdy shoes, bring sun protection, and pack meals. Rest often on rugged terrain. Attend the Star Party for stargazing.
Pack Appropriately
Pack layers for varying temperatures, sturdy footwear, and a backpack with essentials like water, snacks, map, first aid kit, and sun protection. For longer stays, include camping gear and bear-resistant containers. Check the season for specific needs like warm hats or insect repellent.
Respect Wildlife
Respect fragile habitats by staying on trails, avoiding sensitive flora, and keeping a safe distance from wildlife. Be mindful of seasonal nesting and breeding periods. Leave nothing behind but footprints, take nothing but memories.
Stay Informed
Stay on marked trails, avoid ledges and hot springs, and check weather conditions. Follow park signs and rules. For emergencies, call 911 or park authorities at 208-527-1300. Stay informed, stay safe.
Seasons
In spring, from April to June, experience mild to warm days (40s-60s°F) and cool nights. Witness the peak wildflower bloom in late June and enjoy National Park Week. Be prepared for occasional snowstorms and icy cave closures. A unique time for hiking and exploring before the summer heat.
Explore a lunar landscape in summer’s warm temperatures (70s-90s°F). June’s Tranquil Wilderness celebrations and August’s Explosive Geology events highlight this unique terrain. Hike, cave, and marvel at volcanic formations amidst sunny skies. Ideal for outdoor enthusiasts, but be prepared for dry conditions.
Visit in fall, from September to November, when temperatures range from 40°F to 60°F. Enjoy mild weather, scenic hikes, and the annual Dark Sky Festival, celebrating the area’s pristine stargazing. Ideal for immersive outdoor experiences.
Experience the stark beauty of a winter wonderland from November to March, with temperatures ranging from 10°F to 29°F. Snowshoe or ski through a landscape of black lava and white snow, amidst common winds and potential blizzards. A serene and rugged winter escape.
Frequently Asked Questions
Ready to dive into what Craters of the Moon National Monument has to offer? Let’s tackle some of the burning questions you might have as you plan your visit!
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The closest city to Craters of the Moon is Arco, Idaho, which is 18 miles away. Other nearby towns include Carey, Idaho, 24 miles away, and Shoshone, Idaho, a bit farther to the south.
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You can bring your dog, but it must be on a leash and is only allowed along roads and in the campground, not on trails or in the visitor center. Dogs should never be left unattended. The terrain, with sharp lava, is not suitable for dogs on trails.
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You can park an RV, camper, or trailer at the Lava Flow Campground, but it is only accessible by vehicle from May to November, depending on weather conditions. Some sites can accommodate large motorhomes and trailers, but there are no hookups except for one site with an electric outlet for medical needs. Quiet time is from 10 PM to 6 AM, and generators are not allowed during this time.
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You can visit the visitor center to learn about the area, including how Apollo astronauts trained there in 1969. Hike up Inferno Cone for a view of the Great Rift and Big Cinder Butte, and explore the North Crater Flow and Devils Orchard. You can also venture into an ancient lava tube at Indian Tunnel and check out the unique flora and fauna.