Top 7 Caves in Idaho
Caves in Idaho feature a diverse range of geological formations, primarily volcanic lava tubes, unique ice caves, and limestone caverns. These subterranean environments showcase the state's geological history, offering opportunities for exploration. Idaho's caves provide varied experiences, from accessible lava tubes to intricate ice formations and ancient limestone structures.
Best caves in Idaho
- The most popular caves is Indian Tunnel, a cave that is the largest and longest lava tube along the Caves Trail. A permit is required from the Visitor Center to access this 800-foot-long tunnel, which features a partially collapsed roof allowing natural light.
- Another must-see spot is Buffalo Cave, a lava cave located in Craters of the Moon National Monument. This cave is known for housing bats and requires a permit from the Visitor Center for entry.
- Visitors also love Shoshone Ice Caves, a cave known for its year-round sub-freezing temperatures. These caves maintain impressive ice formations even during summer months.
- Idaho is known for its volcanic lava tubes, unique ice caves, and limestone formations. Visitors can explore a variety of subterranean environments, from easily accessible tunnels to more challenging geological sites.
- The caves in Idaho are appreciated by the komoot community. The guide features 7 highlights with 17 photos and 6 upvotes from other users.
Last updated: April 29, 2026
Indian Tunnel
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Buffalo Cave
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17 Mile Cave
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The entrance is located directly on the West Arco Highway and is accessible to everyone. This is probably one of the reasons why this fantastic natural monument has fallen victim to modern cave "paintings". If you're ever in the area, make sure you bring several light sources and a jacket. It's really cool in there.
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Parking and Info at Caves Trail
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Broken Top Loop Trail
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Caves Trail
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Shoshone Ice Caves
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Just next to the historic marker you can explore an ancient lava tube: the 17 Mile Cave. The marker gives interesting information about hunters in the area that hunted camels, elephants and giant bisons about 12,000 years ago.
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Like so many caves around it, the The 17 Mile Cave is a lava tube and a relic from Idahoe's volcanic past (although the area is still very active). They are formed when eruptions cause a lava crust to form, cool down and allow lava to flow through again. Its name comes from the proximity to the town of Idaho Falls. The tube is around a quarter mile long. The entrance is located directly on the West Arco Highway and is accessible to everyone. This is probably one of the reasons why this fantastic natural monument has fallen victim to modern cave "paintings". If you're ever in the area, make sure you bring several light sources and a jacket. It's really cool in there.
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On the 1.8-mile Broken Top Loop Trail, you can observe almost all the volcanic features of the basalt eruptions that created this unique landscape. With an elevation gain of just 242 feet, you'll circle the extinct Broken Top volcano and pass Buffalo Cave. This trail is also the access point to the Wilderness Trail.
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The Caves Trail leads to four different caves that are actually lava tubes: Dewdrop Cave, Indian Tunnel, Boy Scout Cave and Beauty Cave. Some of the caves might be closed to protect bats or for the season and you need to obtain a free permit from the Visitor Center to enter any cave. While walking above the ground, you can discover fascinating formations that were created by the latest lava flow: the Blue Dragon Lava Flow with bluish lava.
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The "Indian Tunnel" is the largest and longest of the lava tubes along the Caves Trail that can be accessed. To do so, you need to obtain a free permit at the Visitor Center. You will climb over rocks that can be slippery in places, but it is a unique small adventure. On the ceiling of the tube you can see lava stalactites formed as the river of lava pulled away from the ceiling, and molten material began to drip from the hot ceiling. The exit is about 800 feet further north.
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There is a fairly large parking lot at the Caves Trailhead. You will find restrooms and picnic benches. To enter one or more caves along the Caves Trail, you need to obtain a free permit at the Visitor Center of Craters of the Moon National Monument.
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The Buffalo Cave is a popular and easy to get to lava cave in Craters of the Moon National Monument. It was created when hot lava cooled down and left a huge tunnel filled with air. Today it is home to numerous bats. Take the Broken Top loop trail to get here. To enter any of the caves, you have to obtain a permit from the Visitor Center. The cave might be closed for the protection of bats.
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Frequently Asked Questions
Do I need a permit to explore caves in Idaho?
Yes, specifically for caves within Craters of the Moon National Monument, such as Indian Tunnel and Buffalo Cave. You need to obtain a free permit from the Visitor Center before entry.
Are there family-friendly caves in Idaho?
Yes, several caves are suitable for families. Indian Tunnel at Craters of the Moon is relatively easy to navigate due to its partially collapsed roof allowing natural light. Idaho's Mammoth Cave offers self-guided tours with wide passages, making it accessible for all ages. 17 Mile Cave is also considered family-friendly.
What types of caves can I find in Idaho?
Idaho is home to a diverse range of caves. You'll find numerous volcanic lava tubes, such as those at Craters of the Moon National Monument and Idaho's Mammoth Cave. There are also unique ice caves like Shoshone Ice Caves and Paris Ice Caves, which maintain ice formations year-round. Additionally, you can explore limestone caverns like Minnetonka Cave, known for its stalactites and stalagmites.
What is the best time to visit Idaho's caves?
Many caves, especially lava tubes, maintain a cool, consistent temperature year-round, making them suitable for exploration in any season. Ice caves like Shoshone Ice Caves are particularly impressive in summer when the contrast with outside temperatures is greatest. Some caves, like Dewdrop Cave, may feature ice formations in winter. Always check specific cave opening times and conditions before your visit.
Are there guided tours available for Idaho caves?
Yes, guided tours are available for some of Idaho's caves. Shoshone Ice Caves offer guided tours that provide insights into their history and formation. Minnetonka Cave also provides guided tours through its limestone formations.
What should I wear when exploring caves in Idaho?
Caves typically have cool temperatures, even in summer, so bringing a jacket or warm layers is recommended. Sturdy, closed-toe shoes with good grip are essential for navigating uneven and potentially slippery terrain. For caves without natural light, a flashlight or headlamp is crucial, even if lanterns are provided.
Are there any historically significant caves in Idaho?
Yes, Wilson Butte Cave near Twin Falls is a significant archaeological site. It contains evidence of human habitation dating back over 10,000 years, making it one of the oldest known habitation sites in North America. This offers a unique blend of geological exploration and historical discovery.
What outdoor activities can I do near Idaho's caves?
The areas around Idaho's caves offer various outdoor activities. You can find numerous hiking opportunities, such as the Broken Top Loop Trail and Caves Trail at Craters of the Moon. For more extensive options, explore hiking routes like the Bench Lakes Trail or Goldbug Hot Springs Trail. Cycling is also popular, with routes such as the Idaho Falls Greenbelt loop. You can find more details on these activities in the Hiking in Idaho and Cycling in Idaho guides.
Where can I find lava tube caves in Idaho?
Idaho is particularly rich in lava tube caves. The most prominent location is Craters of the Moon National Monument & Preserve, which features numerous lava tubes including Indian Tunnel, Buffalo Cave, Dewdrop Cave, Boy Scout Cave, and Beauty Cave. Idaho's Mammoth Cave is another significant lava tube, considered one of the largest open to the public globally. 17 Mile Cave and Tea Kettle Cave are also notable lava tubes.
Are there any caves in Idaho known for housing bats?
Yes, Buffalo Cave in Craters of the Moon National Monument is known for housing bats. For their protection, some caves may be closed seasonally or require special permits to minimize disturbance to bat populations.
What makes Minnetonka Cave unique compared to other Idaho caves?
Minnetonka Cave stands out because it is a spectacular limestone cave, a contrast to the prevalent volcanic lava tubes and ice caves found elsewhere in Idaho. It is renowned for its impressive stalactites, stalagmites, and other speleothems formed by mineral-rich water over millennia, offering a different kind of subterranean beauty.
How long does it take to explore Shoshone Ice Caves?
The Shoshone Ice Caves typically offer guided tours that provide a comprehensive experience. The duration of these tours can vary, but generally, visitors should allocate at least an hour to fully appreciate the unique ice formations and learn about the cave's history.
Are there any less crowded or 'hidden gem' caves in Idaho?
While popular spots attract many visitors, some caves offer a more solitary experience. Wilson Butte Cave, due to its remote location and challenging entrance, is less frequented. Kuna Caves are known for a more rugged and raw caving experience, and Paris Ice Caves are a lesser-known alternative to Shoshone Ice Caves, maintaining unique ice formations year-round.
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