Preston, Minnesota: Mystery Cave
Minnesota's longest cave, discovered in 1937, has 13 miles of explored passages with underground pools, stalactites, and stalagmites. One-hour tour or longer flashlight and "wild" spelunking tours.
Mystery Cave State Park
- Address:
- Twnshp Rd 384, Preston, MN
- Directions:
- Mystery Cave State Park. West of Forestville State Park via CR 118 to County Hwy 5, turn left and go about 2 miles. Turn right onto Township Rd 98/180th St., go 3/4 mi., right onto Township Rd 384, go 3/4 mi.
- Hours:
- Summer daily 10-5; Sep-Oct, Apr-Jun weekends 10-4 (Call to verify) Local health policies may affect hours and access.
- Phone:
- 507-937-3251
Visitor Tips and News About Mystery Cave
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The cave is part of a state park, and map apps will send you to the wrong part of the park. Just follow the road signs.
Pretty neat cave with multiple entrances and different kinds of tours. Ancient ocean fossils are a highlight. Some of the entrances are a drive away from the visitor center, so get your knickknacks before you enter!
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