The visitor center and cavern are closed on Thanksgiving, Christmas, and New Year's days.
September 3, 2019–May 22, 2020
Visitor Center Hours: 8 am–5 pm
Last entrance ticket sold: 3:15 pm
Hike INTO the cavern
8:30 am–2:30 pm
Last time to hike OUT of the cavern
3:30 pm (complete hike out by 4:30 pm)
Elevator service INTO the cavern
8:30 am–3:30 pm
Last elevator OUT of the cavern
4:45 pm
May 23, 2020–September 7, 2020
Visitor Center Hours: 8 am–7 pm
Last entrance ticket sold: 4:45 pm
Hike INTO the cavern
8:30 am–3:30 pm
Last time to hike OUT of the cavern
5 pm (complete hike out by 6 pm)
Elevator service INTO the cavern
8:30 am–5 pm
Last elevator OUT of the cavern
6:45 pm
