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Free
No entrance pass required
An entrance pass is not required to access Mammoth Cave National Park. Other National Park Service sites may require an entrance pass or fee. Depending on your trip plans, an interagency pass may save you money. The park accepts the America the Beautiful Interagency Senior LIfetime and Senior Annual Passes, as well as, the Access Pass. These passes will provide a 50% discount on cave tour tickets for the cardholder only. The passes will also provide a 50% discount for camping provided the reservation is in the cardholder's name. No discounts are provided for shelters.
There is no fee to enter Mammoth Cave National Park. However, there are fees associated with cave tours, camping, and shelter rentals. For detailed information related to the fees for these activities, please visit our Fees and Passes webpage.
2025 Free Entrance Days in the National ParksCome experience the national parks! All National Park Service sites that charge an entrance fee will offer free admission to everyone (other fees, including timed entry or reservation fees, may apply). Mark your calendar for these entrance fee-free dates:
Mammoth Cave National Park does not charge an entrance fee. Tickets are required for cave tours. On free entrance days either the Mammoth Passage tour or Self-guided Discovery tour may be offered. These tours are subject to availability as tour schedules and staffing allow and are not guaranteed. 
Mammoth Cave National Park participates in the congressionally authorized Federal Recreation Lands Enhancement Act. Under this program, parks keep 80% of all fees collected; the remaining 20% is deposited in a special account to be used in parks where fees are not collected. Funds generated by the fees are used to accomplish projects the parks have been unable to fund through annual Congressional allocations. Entrance fees help support projects in the park to improve the experience for visitors. For more information, call (270) 758-2180. Cave Tours FeesCave tour offerings change by season. Before arriving to the park for a cave tour, check the current cave program schedule. Advanced reservations are recommended and can be made at Recreation.gov or by calling (877) 444-6777.
Proposed Fee Changes to be Effective March 1, 2025The proposed changes are listed in bold.
Picnic Shelter Reservation FeesThere are two picnic shelters located in the picnic area near the visitor center. Each picnic shelter has ten picnic tables and the open shelter includes a working fireplace. The picnic area also has fire grates, restrooms, fresh water, and a garbage dumpster. Reservations for the picnic shelters can be made on Recreation.gov.
Camping FeesThere are three developed campgrounds within the park. Camping fees vary depending on the site. Reservations are recommended and can be made through Recreation.gov. Mammoth Cave CampgroundMammoth Cave Campground is located on Mammoth Cave Parkway, 1/4 mile from the visitor center.
Maple Springs Group CampgroundMaple Springs Group Campground is located on the park's north side on Maple Springs Loop, six miles from the visitor center and three miles north of Green River Ferry. All sites are group sites.pe
Houchin Ferry CampgroundHouchin Ferry Campground is located on the park's west side on Houchin Ferry Road, 15 miles from the visitor center and one and a half miles from the town of Brownsville, Kentucky.
Forms of PaymentAcceptable forms of payment for Mammoth Cave National Park’s fees and passes include cash, all major credit cards, Apple Pay, Google Pay, personal checks, business checks, and traveler checks. Educational Group FeesEducational programs are eligible for discounted group rates on cave tours. Contact the park at (270) 758-2180 for more information. Commercial Use AuthorizationA Commercial Use Authorization (CUA) is a business permit with the National Park Service. It authorizes you to conduct commercial activities and to provide specific visitor services within a national park. For more information about CUAs, visit our Commercial Use Authorization page. Cave Tour Cancelation PolicyAll changes of tour reservation will be considered a cancellation and charged $1.00 per ticket. Cancellations made fewer than 24 hours in advance of the tour will not receive a refund.
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Last updated: October 31, 2024