Nicole N.
7/17/2023
If you are looking for a fun and unique activity in Minnesota, look no further than Niagara Cave! This is about 2 hours south of the twin cities in Harmony, Mn. As I was driving I almost missed...
Niagara Cave
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29842 County 30
Harmony, MN 55939
Niagara Cave in Harmony, Minnesota invites visitors to explore one of the top 10 caves in the USA, offering a guided underground adventure through stream-sculpted passages to witness a stunning underground waterfall, 450 million-year-old fossils, and intricate formations.
Owned and operated by a family, Niagara Cave provides a unique experience for all ages, with knowledgeable guides, fascinating geological features, and a gift shop offering stone artifacts. Visitors can expect an unforgettable journey into nature's power and beauty hidden beneath the surface.
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Reviews
4.522 reviews
Krissy H.
4/20/2025
I have done a number of cave tours as they travel a lot. This one's a pretty easy tour a flat ground lots of stairs but doable. We had a nice young knowledgeable tour guide. It was interesting. I...
susan s.
9/3/2024
I love visiting caves and Niagara Cave near Harmony, MN was a real treat! Quite a good walk with many stairways down to its 200ft low point. High points were the platform over the 100 ft...
Kamron A.
6/9/2024
Absolutely great thing in Minnesota for all ages! Very cool cave and the ONLY underground waterfall! Definitely worth the trip! Staff is knowledgeable and great!
Caitlin U.
6/22/2021
I loved the one hour tour . Our guide did an awesome job. It cost only $20. We got there early and they were able to get us in an early tour. They have a free parking lot. Drinks, foods,and...
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