Crystal Cave 51 mi
A seasonal cave in Spring Valley, Wisconsin with a one-hour guided tour through passages more than seven stories below ground.
Spring Valley, WI
Caves near Minneapolis, MN
8 show caves with public tours within 250 miles of Minneapolis. The closest is Crystal Cave, about 51 miles away.
Distances are straight-line miles from downtown Minneapolis; driving takes longer. Tour details checked 2026-10-22 against each cave's own site.
Mystery Cave 106 mi
Minnesota's state park cave, with an ADA-accessible one-hour scenic tour on paved trails at 48°F; the 2026 season has ended and tours resume May 8, 2027.
Minnesota, 48°F inside, from $15
Niagara Cave 118 mi
A Minnesota cave with one-hour guided tours of about a mile underground, past fossils, an underground stream and waterfall, and a wedding chapel.
Harmony, MN, 48°F inside
Spook Cave 167 mi
A boat tour through a cave near McGregor, Iowa, 35–40 minutes long at 47°F, open May to October.
McGregor, IA, 47°F inside
Kickapoo Indian Caverns 176 mi
The cave in the Kickapoo Caverns Nature Preserve near Wauzeka, Wisconsin, open only on occasional guided events such as the Conservancy's bat ecology tours.
Wisconsin
Eagle Cave 181 mi
A Wisconsin cave with guided tours Thursday to Sunday in summer and an in-cave overnight exploration program in the cooler months.
Blue River, WI, from $16.00
Cave of the Mounds 219 mi
A cave in Blue Mounds, Wisconsin with 45-minute to 1-hour guided tours, 70 feet down at a steady 50°F.
Blue Mounds, WI, 50°F inside, from $26.99
Crystal Lake Cave 220 mi
A cave near Dubuque with 45-minute walking tours through nearly three-quarters of a mile of limestone passages, plus black-light and wild cave tours.
Dubuque, IA, 50°F inside, from $22