

Cave Exploration
Tucked within the Driftless Area of the Upper Midwest, Harmony, Minnesota, boasts a unique landscape.
This region was untouched by glaciers during the recent glacial advances 500,000-11,700 years ago,
leaving behind a distinctive countryside of exposed limestone, bluffs, rolling hills, springs, creeks, sinkholes, and caves.
Niagara Cave
29842 County 30
Harmony, MN 55939
Just south of Harmony is Niagara Cave, a remarkable geological attraction often rated among the top ten caves in the United States.
During a one-hour guided tour, you’ll venture underground for one mile to discover 450 million-year-old fossils, delicate and massive cave formations, and a stream flowing over an underground waterfall. In addition to the scenic tour, Niagara Cave occasionally offers lantern tours and black light tours.

Be Prepared
- The cave is a constant 48 degree
a light jacket or sweatshirt is recommended - Wear proper walking shoes
there are 550 stair steps round-trip and the environment is damp. - Pets not allowed in the cave or gift shop
They only allowed on the grounds.








Enjoy more while visiting Niagara Cave!




Mystery Cave
Forestville/Mystery Cave State Park
21071 County 118
Preston, MN 55965
For another caving adventure, consider Mystery Cave, located nearby in the Forestville/Mystery Cave State Park near Preston, Minnesota.
Mystery Cave is the longest cave in Minnesota.

Be Prepared
- The cave is a constant 48 degree
a light jacket or sweatshirt is recommended - Wear proper walking shoes
the environment is damp.