Gift Shop

Hours of Operation & Rates


Picnic Grounds

Gemstone Mining


About the tour

Photo Album




Maps and Directions

Niagara Cave is less than one hour from major exits off I-90 at La Crosse, WI, Winona, MN, Rochester, MN, and Austin, MN.

Directions from Harmony: 2.5 miles south on Minnesota 139 (aka Main Avenue), then 2.5 miles west on county 30 and watch for signs.

To get to Harmony from:

Minneapolis, MN: Take Hwy 55 south where it merges with Hwy 52 south. Stay on 52 south to Harmony (about 2.25 hours)

                    St. Paul, MN: Take Hwy 52 south to Harmony (about 2.25 hours)

                    Rochester, MN: Take Hwy 52 south to Harmony (about 55 minutes)

                    Winona, MN: Take Hwy 43 south to Rushford. In Rushford take right on Hwy 16. Stay on 16 through Lanesboro to Hwy 52. Take left on Hwy 52 South to Harmony. (about 1 hr)

                   Austin, MN: Take I-90 East to exit 193 (Hwy 16) Take right on Hwy 16 going east. Stay on 16 about 30 miles to Hwy 52 (stop sign) Take right on 52 south to Harmony. (about 1hr)

                   La Crosse, WI: Take Hwy 16 west or I-90 W to La Crescent, MN , from La Crescent take Hwy 16/44 west. In Hokah, MN the road divides, stay left on 44.  Hwy 44 ends after Mabel and turns into Hwy 52 north.  Stay on 52 North (going west) to Harmony. (about 1hr)

                   Decorah, IA: Take Hwy 52 North to Harmony.  Or take 52 North to Burr Oak, IA and take left on A-18. Stay on A-18 to HWY 139 . Take right on 139 going north. Go one mile after crossing MN state line and make left on County 30. (watch for signs). (about 30 minutes)

                  Mankato, MN: Take Hwy 14 east to Rochester. Take Hwy 52 south to Harmony. (about 2 hrs 15min)

                  Mason City, IA: Take Hwy 65 North or 18 East then 218 North to Hwy 9. Take right going east on 9 through Cresco. Take left on Hwy 139 going north to MN state line. Continue north one mile to county 30. Take left go 2 1/2 miles. (about 1 hr 45 min)

                 Prairie du Chien, WI: Take 18 west to Hwy 52 north to Harmony,    (about 1 1/2 hrs)



Our physical address is 29842 County 30, Harmony, MN 55939

Note: You may now use  mapquest  or Yahoo map for directions, they are now accurate! You may also follow this simple map or use a Rand McNally Road Atlas. GPS should work (not guaranteed) if you use these coordinates, N 43 degrees 30.9'    W 092 degrees 03.3' or our physical address.   Thanks and safe travels!

Contact us at: niagara@harmonytel.net Niagara Cave P.O. Box 444 Harmony MN 55939 (800)-837-6606