What are your hours?
Summer Season (May 1 – September 30) : 9 a.m. to 5 p.m.
Winter Season (October 1 – April 30) : 10 a.m. to 4 p.m.
Closed only on Thanksgiving day and Christmas day.
Are reservations required?
Reservations accepted for groups of 20 or more, OR for the Limestone Tour (May-September) for those with limited mobility. Reservations must be made at least one day prior to visit. Otherwise it is “First Come, First Serve”, even if you purchased tickets online.
How much does a tour cost?
Click here for rates for each tour: Rates and Hours
When do tours start?
During the busy season (Memorial day weekend through Labor day weekend), Natural Wonder tours can start as frequently as every 10 minutes and the Historic tour as frequently as every 20 minutes but starting times depend on daily staff size, number of visitors/groups and other factors. Last tour is at 5:00 pm. Tours are limited to 20 people. When busy, tours begin to fill up quickly and wait times increase. On rare occasions tours can sell out in the early afternoon.
During the off-season (October through April), Winter tours start less frequently. Wait times depend on daily staff size, scheduled groups, number of visitors and other factors. School group season is usually late September through early November in the Fall and late March through the end May in the Spring. Last tour is at 4:00 pm. Tours are limited to 28 people.
Do you close because of weather?
Lightning and heavy rain will delay the start of the Natural Wonder tour. Otherwise, tours run daily even when raining.
Can we use a stroller?
Strollers are not recommended because the pathway is too narrow in many parts of the caverns. Chest baby carriers or back carriers work great.
Are pets allowed in the cavern?
Pets are not allowed in the cavern. Certified service dogs are permitted.
Are the caverns wheelchair accessible?
The Limestone Tour is especially for guests with limited mobility. There is an admission fee for this thirty minute tour. Reservations are required for the Limestone Tour. Please call 937-465-4017 to schedule a reservation at least one day in advance. The Limestone Tour is available from May 1 – September 30.
How do you purchase tickets?
Tickets can be purchased online (Purchase Tickets) or upon arrival. Online tickets are good for any day and must be validated at the ticket counter. Online tickets expire one year from date of purchase. Arrive early to avoid longer wait times!
Is food or drink permitted on tour?
Food and drink is not permitted in the caverns. However, it is recommended to bring picnic lunches to enjoy the beautiful park. Snacks are available for purchase in the gift shop.
Do you offer a group discount?
Groups of 20 or more receive a discount with a reservation. If there are 20 or more people in the group, please call (937-465-4017) to schedule a reservation.
What to wear in the cavern?
The temperature in the cavern is always 54 degrees so bring a jacket or sweatshirt. Closed toed shoes are recommended.
Is photography allowed?
Flash photography is welcome but please stay with the group. Video recording, tripods, monopods and selfie sticks are not permitted.
Are there steps?
The Natural Wonder tour has a ramp entrance and 60 steps up to exit.
The Historic has 44 steps down to enter and 38 steps up to exit.
The Winter tour has 38 steps down to enter and 60 steps up to exit.
The Limestone tour (handicap accessible) has a ramp to enter and exit.
All steps have railings.
Do you have to pay to park?
Parking is FREE every day.
Complimentary Hybrid and EV charging is also available.
Once the main parking lot is full, parking is available just off the main driveway in the grass.