We invite you to visit our family-owned cave to witness nature's power and beauty underground.
Underground waterfall in Niagara Cave
Guided Tours
On our 1-hour guided tours...
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Go on a mile-long hike underground.
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Discover fossils ≈450 million years old.
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Travel nearly 200 feet beneath the surface.
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See cave formations both delicate and massive.
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View our underground stream and waterfall.
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Visit a subterranean wedding chapel.
Tour availability
For the 2025 season:
We are excited to announce that we will be open weekends in April (closed Easter Sunday, April 20th). We will also be open 7 days a week from May 1st through November 2nd. To ensure your spot, please check our availability calendar and make a reservation.
If you encounter any capacity issues, please call us at 507-886-6606, and we will do our best to accommodate you!
Organized groups are encouraged to call for additional information and reservations.
RATED AMONG THE BEST CAVES IN THE U.S.!
CONTACT US
507-886-6606
Physical Address:
29842 County Road 30
Harmony, MN 55939
Email us at:
niagaracave@gmail.com
Please note: You do not need to drive on gravel to reach Niagara Cave!
Don't let your GPS lead you astray!