The Discovery Tour and Scenic Tour are offered daily, year-round, except for Thanksgiving Day, December 25, and January 1st. The Historic Lantern Tour is offered the second week of June through the first week of September. The Wild Caving Tour is offered during the summer (June through August) and on certain days during the off-season (winter). Fees are charged for all cave tours. Ticket prices are listed under the Fees & Reservations section for each tour type.
All entrance into the cave is ranger-guided. Cave tours must have a minimum of 2 participants. Tickets are available on a first-come, first-serve basis at a ticket station in or near the visitor center, or by reservation over the phone. Cave tours can sell out at any time of the year. Visitors are encouraged to call ahead for tour availability. Reservation phone number and cave tour schedules are available under the Operating Hours & Seasons section.