Open 9 a.m. til 7 p.m. April 1-Oct. Opens 10 a.m. til 5 p.m. Nov. 1-March 31. Opens 1 p.m. Sundays. Self-guided and private tours lead visitors 235 feet below the cave's natural entrance, past stalagmites, flowstones, curtains, and other fantastic formations. Good walking shoes and a jacket are all that are required.
Private expeditions lead explorers into the cave's distal areas beyond.
Call in advance. Closed Easter, Thanksgiving, Christmas, New Year's.