National Park · Kentucky

Mammoth Cave National Park

The world’s longest known cave system in Kentucky.

2026 entrance fee

Free entrance
America the Beautiful — U.S. resident $80/yr
America the Beautiful — non-resident $250/yr

The annual pass covers entrance and standard day-use at ~2,000 federal recreation sites for 12 months.

RV & camper tips

Maple Springs and others take large RVs; cave tours are ticketed separately from the free park entrance.

Camping

NPS-operated campgrounds are available (reservations recommended in peak season).

Official site: nps.gov/maca/index.htm

On this park

Mammoth Cave National Park FAQ

How much does it cost to enter Mammoth Cave National Park in 2026?
Mammoth Cave National Park has no entrance fee. The America the Beautiful pass is still useful if you plan to visit other fee-charging federal sites on the same trip.
Do non-U.S. residents pay extra at Mammoth Cave National Park?
No. Mammoth Cave National Park is not on the 11-park non-resident surcharge list, so entrance fees are the same for all visitors. The 11 surcharge parks are Acadia, Bryce Canyon, Everglades, Glacier, Grand Canyon, Grand Teton, Rocky Mountain, Sequoia & Kings Canyon, Yellowstone, Yosemite, and Zion.
Can I camp with an RV at Mammoth Cave National Park?
Mammoth Cave National Park has NPS-operated campgrounds. Maple Springs and others take large RVs; cave tours are ticketed separately from the free park entrance.

Keep exploring

Other free parks

Denali National Park Free entrance Carlsbad Caverns National Park Free entrance Great Smoky Mountains National Park Free entrance Congaree National Park Free entrance Cuyahoga Valley National Park Free entrance Hot Springs National Park Free entrance Great Basin National Park Free entrance New River Gorge National Park Free entrance

Source: National Park Service — Fees & Passes / Nonresident Fees — retrieved 2026-08-09. Entrance fees can change and some parks price seasonally; always confirm the exact rate for your entry type and date on the park's official NPS page before you travel. This page is an independent travel-resource summary and is not affiliated with the National Park Service.

Related Calculators You May Find Useful

VehCalc
Vehicle cost calculator
Calculate vehicle costs on VehCalc →
DayFig
Date & time tools
Plan your trip with DayFig →
AllMoneyCalc
Travel budget
Budget for your RV trip →