Going Underground: Indiana’s Best Caves and Mines

Indiana is a state that is full of surprises, and one of those is the abundance of caves and mines. These underground wonders offer a glimpse into the geological formation of the area and a unique chance to explore the world beneath our feet. From guided tours to self-guided adventures, there is something for everyone in Indiana’s cave and mine scene. Here are some of the best caves and mines to explore in Indiana.

Indiana Caverns

Located in South Central Indiana, Indiana Caverns is one of the state’s largest and most impressive caves. It covers over 44 acres and offers visitors the chance to explore a wide range of underground features, including waterfalls, underground rivers, and unique rock formations. Indiana Caverns offer daily guided tours that last approximately 60-70 minutes and take visitors through several different areas of the cave. Visitors can expect to see a variety of unique underground formations, including the Crystal Palace, the Cathedral Room, and more.

Bluespring Caverns

Bluespring Caverns is located in Bedford, Indiana, and offers visitors a unique underground experience. The cave features a 21-mile underground river that visitors can explore by boat. The boat tours last approximately an hour and offer visitors the chance to see the cave’s unique features, including underground waterfalls and a variety of different rock formations. In addition to the boat tours, Bluepring Caverns offers hiking trails, a wildlife park, and an opportunity to pan for gemstones.

Marengo Cave National Park

Marengo Cave National Park is one of the most popular cave systems in Indiana. Located in Crawford County, the cave features two different guided tours. The Dripstone Trail is a 75-minute tour that takes visitors through the cave’s most beautiful and unique features, including a variety of stalactites, stalagmites, and columns. The Crystal Palace Tour is a 90-minute tour that takes visitors deeper into the cave and explores some of the less-visited areas. In addition to the cave tours, Marengo Cave National Park offers a variety of other outdoor activities, including hiking, camping, and more.

Squire Boone Caverns

Squire Boone Caverns is one of the oldest and most historic cave systems in Indiana. Located in Mauckport, the cave was discovered by frontiersman Squire Boone, brother of Daniel Boone. The cave features several unique underground formations, including a permanent underground stream and a variety of different rock formations. Visitors can take guided tours of the cave, which last approximately an hour. In addition to the cave tours, Squire Boone Caverns offers a variety of other outdoor activities, including hiking, ziplining, and a petting zoo.

Indiana Transportation Museum

While not technically a cave or mine, the Indiana Transportation Museum in Noblesville offers visitors the unique opportunity to explore some of Indiana’s mining history. The museum features a variety of different train rides that take visitors through the historic mining towns of Indiana. Visitors can take a ride on the Nickel Plate Express, a historic train that dates back to the 1950s and once transported iron ore from Indiana’s mines to the steel mills of the Great Lakes. The Indiana Transportation Museum also offers a variety of other exhibits and displays that celebrate Indiana’s unique transportation history.


Indiana is an incredible state, and the abundance of caves and mines is just one more reason to appreciate its natural beauty. Whether you’re looking for a unique family-friendly activity or a chance to explore the geology of the area, the caves and mines of Indiana have something for everyone. With so many different caves and mines to choose from, it’s easy to find an adventure that suits your interests and experience level. So pack your sense of adventure and get ready to go underground in Indiana!

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