$8; $4 (ages 5-12 and senior citizens with an Interagency Senior Pass). Ages 0-4 are not permitted on cave tours.
Tours are given daily at 10, early Apr.-late Nov.; phone ahead for additional tour times. Tickets may be purchased at the park visitor center or at Daniel Boone parking area 30 minutes in advance of the tour. Reservations are recommended, especially on weekends.