Niagara Cave
Harmony, Minnesota
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About the Tour

mini golf & gem mining
​Niagara Cave is one of the most fascinating and unique geological attractions in the United States. In fact, it has been rated one of the top ten caves in the United States by many outdoor recreation sites! On our 1-hour guided tour...

  • Go on a mile-long hike underground
  • Discover fossils ≈450 million years old
  • Descend 200 feet beneath the surface
  • See cave formations both delicate and massive
  • View our underground stream and waterfall
  • Visit a subterranean wedding chapel where over 400 weddings have been performed.

Niagara Cave is a constant 48 degrees F (9 degrees C), so a light jacket or sweatshirt is suggested. 
Backpacks and backpack baby carriers are not allowed (front packs for babies ARE encouraged). Food and drinks are not allowed. Proper walking shoes are required, flip flops and Crocs are not recommended. High heels and bare feet are not allowed. Photos ARE allowed, but tripods are not. ​
ACCESSIBILITY: Because there are several sets of stairs on the cave tour, wheelchairs and strollers can not be used on the tour. However, the gift shop, gemstone mining, and mini golf are wheelchair accessible. 

CAUTION: If you have a heart condition, difficulty taking steps, severe asthma, or any condition that may hinder your ability to walk one mile, descend 275 steps, and ascend 275 steps in an environment with high humidity, we do not recommend that you take the tour. 
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PETS: For guest safety and comfort pets are NOT allowed in gift shop nor the cave.  Pets are welcome on the grounds but must be leashed or physically restrained. Pet owners are responsible for cleaning up after their pets! 

Certified service dogs are allowed.

Emotional support and therapy animals are NOT allowed. 


Niagara Cave is NOT a bat habitat.
Reservations are not required.
niagaracave@gmail.com                                     507-886-6606