Meramec Caverns 55 mi
A big commercial cave off I-44 (exit 230) with ranger-led walking tours on lit paths, plus a zipline, riverboat and float trips on the same property.
Stanton, MO, 60°F inside, from $30.50
Caves near St. Louis, MO
9 show caves with public tours within 150 miles of St. Louis. The closest is Meramec Caverns, about 55 miles away.
Distances are straight-line miles from downtown St. Louis; driving takes longer. Tour details checked 2026-10-22 against each cave's own site.
Onondaga Cave 68 mi
A Missouri state park cave with a 75-minute walking tour on lit, paved paths at 57°F, plus a lantern tour of nearby Cathedral Cave.
Leasburg, MO, 57°F inside, from $23
Cathedral Cave 69 mi
A lantern-lit cave tour at Onondaga Cave State Park, more strenuous than the main cave and limited to 20 people.
Leasburg, MO, 57°F inside, from $15
Fisher Cave 93 mi
A cave in Meramec State Park with seasonal guided tours; several of the park's caves close in winter for bat hibernation.
Missouri, from $14
Mark Twain Cave 95 mi
A National Natural Landmark cave in Hannibal with an electrically lit, gentle one-hour walk, and the unlit Cameron Cave toured by flashlight next door.
Hannibal, MO, from $29.99
Cameron Cave 95 mi
An unlit cave next to Mark Twain Cave in Hannibal, toured by flashlight on a 90-minute guided tour.
Hannibal, MO, from $32.99
Stark Caverns 132 mi
A cave near Lake of the Ozarks with one-hour guided tours through all four levels, about 80% wheelchair accessible.
Eldon, MO, from $30
Ozark Caverns 135 mi
A cave in Lake of the Ozarks State Park with hour-long, half-mile round-trip tours at 56°F.
Missouri, 56°F inside, from $13
Bridal Cave 147 mi
A Lake of the Ozarks cave known for weddings in the cave, open year-round at 60°F, with lantern and black-light tours too.
Camdenton, MO, 60°F inside, from $30