Cumberland Caverns, located east of McMinnville under Cardwell Mountain, is Tennessee's largest show cave. It is the second longest mapped cave in Tennessee with of passages, and displays some of the largest cave rooms in eastern North America."Cumberland Caverns" by Larry E. Matthews, Second Edition, 2005, Cumberland Caverns is the 15th longest cave in the United States.USA Long Cave List, October 19, 2010, by Bob Gulden.
Cumberland Caverns, located east of McMinnville under Cardwell Mountain, is Tennessee's large,st show ?cave. It is the second longest mapped cave in Tennessee with of passages and displays some of the largest cave rooms in eastern North America."Cumberland Caverns" by Larry E. Matthews, Second Edition, 2005, Cumberland Caverns is the 15th longest cave in the United States.USA Long Cave List, October 19, 2010, by Bob Gulden.