$5 (per private vehicle with two to eight people); $4 (per single-occupant vehicle); $2 (per person arriving by bicycle or on foot). Cavern tour $8; $5 (ages 3-12). Canoe rental $20 per half-day, $25 per full day.
Park open daily 8-dusk. Cavern tours depart Thurs.-Mon. 9-4:30. Closed Thanksgiving and Christmas.