In rural southwestern Wisconsin there’s an incredible underground world that beckons adventurers. Eagle Cave is the state’s largest onyx cave, and it’s a surprising destination that’s unlike any other in Wisconsin. It’s not as well known as some of Wisconsin’s other caves, which is part of the charm – you can see something incredible that too many others miss. Ready to take a trip underground? Here’s what’s waiting for you at Eagle Cave – a fun Wisconsin cave tour.

You’ll find Eagle Cave near Blue River, a tributary of the Wisconsin River, in Richland County. The cave was first discovered in 1849, and it was opened to the public in 1938.
Google / Amanda Flynn
Today, Eagle Cave is open to the public for guided tours, as well as public exploration. Visitors can explore the cave's natural beauty and learn about its rich history and geology.
Google / Eagle Cave
Eagle Cave is the state’s largest onyx cave - it's a cave that was formed over thousands of years by the slow action of water through the rock.
Google / Mike Smith

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The cave features a big network of passages, tunnels, and chambers that are home to a variety of unique geological formations such as stalactites and stalagmites. The cave system stretches over 3,000 feet!
Google / Donald Husted
While there are some caves that are heavily developed, Eagle Cave still has a wild feel – you can see features that have been unchanged for thousands of years.
Google / Carl Gilmore
Eagle Cave is a popular place for group visits, like youth outings. If you’re a camper, you may want to plan a longer trip, as campsites are available at the cave site. There are also several outdoor activities at the cave, such as hiking, canoeing, and mini golf.
Google / Robert Wilson

Learn more about this amazing cavern on the Eagle Cave website. Wisconsin has many incredible natural attractions that are worth seeking out, including some of the best in the Midwest.

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Featured Addresses
Eagle Cave, 16320 Cavern Ln, Blue River, WI 53518, USA