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Butte Convention & Visitors Bureau
Butte - Crystal

Rocks, Caves and More

Southwest Montana is rich with geologic formations including the Boulder batholith and Humbug Spires. This geologic story not only gave Southwest Montana a heritage of mining for precious metals, but also unique formations that can keep novice and expert rockhounds busy with many days of exploration.

Lewis and Clark Caverns

Montana State Parks

East of Butte is Lewis and Clark Caverns, Montana's first and best-known state park. Naturally air conditioned, these spectacular caves, lined with stalactites, stalagmites, columns, and helicitites. Take a tour to gain an insight into the delicate ecology of this world without light. Plan to spend a minimum of two hours to hike two miles on a guided tour through the caverns.

Ringing Rocks

Ringing Rocks

BLM

Located 15 miles east of Butte on I-90 at the Pipestone exit, visitors can enjoy this unique rock formation where the rocks chime when tapped lightly with a hammer. High clearance vehicles are recommended, but the area is open for hikers as well.

Humbug Spires

BLM

Climbing on Humbug


Humbug Spires offers great opportunities for rock climbing. Located 6 miles off I-15 at Melrose, the area offers a unique experience to climb the spires which offers great vistas of the Pioneer Mountains.


Crystal Park

Beaverhead-Deerlodge National Forest

Crystal Park

Crystal Park is located on the Pioneer Mountains National Scenic Byway between Wise River and Polaris. Enjoy a day of digging for your own smoky and amethyst quartz crystals. A $5 fee is charged for each vehicle.

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