As of February 13, 2025, Missouri has 7900 caves. This number is continually changing as new caves are added, and sometimes the number is reduced when bad information is removed. On average, we record about 100 new cave locations each year.

• We have 4670 caves which have been mapped, with about 495 miles of total cumulative surveyed passage in Missouri.  MSS cooperators often add about 100 new cave maps per year.
• Missouri has 77 caves with over 1 mile of passage, summing to 260 miles of total passage for those.
• Less than 10% of Missouri’s mapped caves have about 50% of our surveyed passage.
• The longest cave in Missouri is Crevice Cave with 31 miles of passage, followed by Berome Moore Cave at 24.5 miles and then Carroll Cave at nearly 22 miles.
• Just 4 caves in Perry County add up to 85 miles of surveyed passage.
• 78 of Missouri’s 114 counties have “known” caves.
• Shannon County leads the state 754 caves, 80% surveyed with 44 miles surveyed.
• Perry County trails Shannon County with 693 caves, 53% surveyed with 121 miles surveyed.
  

If you have any questions about Missouri caves, please send us an email.