
Mystery Cave Guided Scenic Tour
Southeast Minnesota / Preston, Minnesota
Activity
Guided Cave Exploration
Distance
0.75 mi round trip
Route
Guided cave route
The adventure
Below the hills of southeastern Minnesota lies a maze of limestone passages, clear pools and mineral formations shaped by flowing groundwater. Mystery Cave offers a dramatic look at the hidden karst landscape of the Driftless Area.
The guided scenic route follows developed walkways through illuminated chambers, where formations grow almost imperceptibly slowly. It is a geological experience with a strong sense of discovery but without the risks of unsupervised caving.
ONCE YOU’RE THERE
Check in at the cave visitor center, meet the scheduled naturalist and follow the paved guided route through the cave.
LOCAL INTEL
The DNR lists a 1-hour scenic tour covering roughly three-quarters of a mile; cave temperature stays near 48°F.
TRAIL CONDITIONS & SAFETY
Do not touch formations; wear grippy shoes and a warm layer. Follow decontamination mats to protect cave bats.
BEFORE YOU GO
Confirm current operating status, weather, access and any required reservations with the managing organization before departure.
What to expect
- Below the hills of southeastern Minnesota lies a maze of limestone passages, clear pools and mineral formations shaped by flowing groundwater.
- The guided scenic route follows developed walkways through illuminated chambers, where formations grow almost imperceptibly slowly.
- A distinctive outdoor experience with changing seasonal conditions
Good to know
- Arrival and parking
- Do not navigate to the main Forestville State Park entrance for the cave tour. Follow the Minnesota DNR cave-specific directions to the William H. Morrissey Visitor Center and park in the signed cave visitor lot.
- Local intel
- The DNR lists a 1-hour scenic tour covering roughly three-quarters of a mile; cave temperature stays near 48°F.
- Safety
- Do not touch formations; wear grippy shoes and a warm layer. Follow decontamination mats to protect cave bats.
- Fee
- Required: Paid ticket, rental or guided activity; confirm current rates and reservations.
- Entrance fee
- Paid ticket, rental or guided activity; confirm current rates and reservations.
- Dogs
- not-allowed.
- Season
- Seasonal guided tours, generally May through October.
Photos

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