Wisconsin hides an interesting mix of limestone bluffs, sinkholes, and shoreline cavities that tell a lot about the state’s geology and history. From lakeshore rock shelters to deeper inland caverns, these spots offer different experiences for hikers, paddlers, and researchers.
There are 10 Caves in Wisconsin, ranging from Apostle Islands Sea Caves to Sam’s Cave. For each entry you’ll find below the County, Coordinates (lat, long), and Access / Tour status so you can quickly see where they are and whether they’re open to the public — you’ll find the details below.
Are these caves generally open to visitors?
Access varies: some sites have guided tours or seasonal access (especially the Apostle Islands sea caves), while others are on private land or closed for safety or conservation; always check local park or landowner rules and current conditions before planning a visit.
What should I bring or know before visiting a cave listed here?
Bring sturdy footwear, a flashlight, and layers for cooler, damp conditions; avoid entering unstable or flooded passages, tell someone your plan, and obtain permission or a permit if the site is on private property or requires guided access.
Caves in Wisconsin
| Name | County | Coordinates (lat, long) | Access / Tour status |
|---|---|---|---|
| Cave of the Mounds | Dane | 43.0239, -89.8153 | Public show cave |
| Crystal Cave | Pierce | 44.7550, -92.2989 | Public show cave |
| Eagle Cave | Richland | 43.1950, -90.3956 | Public show cave |
| Ledge View Caves | Calumet | 44.0722, -88.1633 | Permit required / Guided tour |
| Apostle Islands Sea Caves | Bayfield | 46.9631, -90.6558 | Open to explore |
| Maribel Caves | Manitowoc | 44.3039, -87.7915 | Open to explore |
| Kickapoo Valley Ice Cave | Vernon | 43.5114, -90.6272 | Open to explore |
| Horseshoe Bay Cave | Door | 45.0211, -87.3526 | Closed |
| Bear Cave | Richland | 43.2725, -90.2311 | Open to explore |
| Sam’s Cave | Richland | 43.4350, -90.6280 | Permit required |
Images and Descriptions
Cave of the Mounds
A stunning show cave discovered in 1939, known as the “jewel box” of Midwest caves. Features beautiful calcite formations called speleothems. It’s a National Natural Landmark offering year-round guided tours on paved, lighted walkways suitable for all ages.
Crystal Cave
Wisconsin’s longest cave, offering guided tours since 1942. Explore multiple levels and see diverse formations, including stalactites, stalagmites, and shimmering crystal walls. The cave maintains a constant 50°F temperature, making it a great stop any time of year.
Eagle Cave
Marketed as Wisconsin’s largest onyx cave, located on a private campground. It offers rustic, lantern-lit tours giving a more adventurous feel than other show caves. The cave is part of a larger resort and is typically open seasonally from May to October.
Ledge View Caves
These are wild caves within Ledge View Nature Center, explored via pre-booked guided tours. Options range from easy walking to strenuous crawling tours, offering an authentic caving experience. These are solutional caves formed by post-glacial meltwater along the Niagara Escarpment.
Apostle Islands Sea Caves
Spectacular sandstone caves carved by Lake Superior’s waves along the Apostle Islands National Lakeshore mainland. Accessible by kayak in summer or by foot over the frozen lake in winter when conditions permit. Always check ice or water conditions before visiting.
Maribel Caves
Located in Cherney Maribel Caves County Park, this small system of caves is open for self-guided exploration. Spring Cave often has a stream flowing from it. Remember to bring a flashlight, sturdy shoes, and be prepared for cool, damp conditions.
Kickapoo Valley Ice Cave
A small, beautiful cave within the Kickapoo Valley Reserve, famous for holding ice and frost well into the summer months. It’s accessible via a short but steep hiking trail. The cool air flowing from the entrance is a refreshing natural air conditioner.
Horseshoe Bay Cave
A significant Wisconsin cave and the state’s largest bat hibernaculum. The cave is gated and permanently closed to public access to protect the four species of resident bats from disturbances and White-Nose Syndrome. It’s a key site for conservation research.
Bear Cave
Located in the Bear Creek Sedge Meadow State Natural Area. This is a small, wild sandstone cave accessible via a hiking trail. It’s a fun, quick exploration for hikers in the area, but be sure to bring a light and watch your step.
Sam’s Cave
A wild cave system near the Kickapoo River, known for its challenging passages and speleological interest. Access is restricted and requires explicit permission from the Mississippi Valley Conservancy to ensure safety and conservation of the delicate cave environment and its fauna.
