FAQ
Frequently Asked Questions
Get quick, verified answers to the most common questions about visiting Mammoth Cave National Park.
How much does it cost to go to Mammoth Cave?
Park entry is completely free. Guided cave tours require a paid ticket. Ticket prices vary depending on the specific tour route you choose. Tickets & Prices
Do I need to make reservations for Mammoth Cave tours?
Yes, advance reservations are strongly recommended. Cave tours frequently sell out during the busy summer months. You can book your tickets on Recreation.gov.
What is the temperature inside Mammoth Cave?
The temperature inside the cave remains a constant 54°F (12°C) year-round. You should always bring a light jacket or sweater, regardless of the weather outside.
Are dogs allowed inside Mammoth Cave?
Pets are not allowed inside the caves, with the exception of trained service animals. Above ground, pets must be kept on a leash at all times.
How long do Mammoth Cave tours take?
Tour lengths vary by route. The Frozen Niagara tour takes about 1.25 hours, while the River Styx tour takes 2.5 hours. Check the specific details when booking.
Can you go into Mammoth Cave without a tour guide?
No, entry to the cave passages requires a paid, guided tour led by park staff. You are free to explore the 52,000 acres of surface trails without a guide.
What should I wear to Mammoth Cave?
Wear a light jacket or sweater to handle the 54°F (12°C) underground temperature. You also need sturdy, closed-toe walking shoes to navigate the cave safely. Packing Guide
Can I bring a backpack into Mammoth Cave?
Large backpacks and backpack baby carriers are prohibited on all cave tours. You may bring a small front pack or a fanny pack for essential items.
Is Mammoth Cave National Park open in the winter?
Yes, the park is open year-round. Cave tours run every day except December 25. Winter visits offer quiet trails and smaller tour groups.
Is photography allowed in Mammoth Cave?
You can take photos, but flash photography, tripods, and selfie sticks are banned inside the cave. Lighting is dim, so prepare accordingly.