National Park · Kentucky
Mammoth Cave National Park
Rolling hills, deep river valleys, and the world's longest known cave system. Mammoth Cave National Park is home to thousands of years of human history and a rich diversity of plant and animal life, earning it the title of UNESCO World Heritage Site and International Biosphere Region.
Things to do
- Astronomy
- Stargazing
- Biking
- Boating
- Camping
- Backcountry Camping
- Canoe or Kayak Camping
- Car or Front Country Camping
- Horse Camping (see also Horse/Stock Use)
- Group Camping
- RV Camping
- Caving
- Fishing
- Freshwater Fishing
- Food
- Dining
- Picnicking
- Guided Tours
- Self-Guided Tours - Walking
- Hands-On
- Hiking
- Backcountry Hiking
- Front-Country Hiking
- Horse Trekking
Weather & when to go
Kentucky has a moderate climate with warm, yet moist conditions. Summers average in the high 80s; winters average in the low 40s. Southern Kentucky, where Mammoth Cave is located, receives the highest average precipitation for the state, about 50 inches per year, mostly in spring. Winter can bring mild to moderate snow and ice. Storms happen year-round, and can include tornadoes and flooding in low-lying areas, but severe weather is infrequent. The temperature deep in the cave is a constant 54°F (12°C).
Operating hours
Park Hours
Mammoth Cave National Park is open 24-hours a day, although services such as cave tours and the visitor center are limited after-hours. There is no gate at the park entrance. Please note that camping is only possible either in designated campgrounds or backcountry campsites with a valid reservation or permit.
Campgrounds
FAQ
- Is Mammoth Cave National Park free to visit?
- Mammoth Cave National Park does not charge a standard entrance fee. Check the official NPS page for the latest details on any activity or permit fees before you go.
- What are the hours at Mammoth Cave National Park?
- Mammoth Cave National Park is open 24-hours a day, although services such as cave tours and the visitor center are limited after-hours. There is no gate at the park entrance. Please note that camping is only possible either in designated campgrounds or backcountry campsites with a valid reservation or permit.
- Do I need a reservation for Mammoth Cave National Park?
- No timed-entry reservation is currently required to enter Mammoth Cave National Park. Campgrounds and permits may still need to be booked separately on Recreation.gov.
Related guides
Trip plans and deep-dives from the PeepTrip blog featuring Mammoth Cave National Park.
One Day in Mammoth Cave National Park: Itinerary
One day in Mammoth Cave National Park works best with one booked cave tour, a surface trail, and a river or sunset stop. Here is a realistic hour-by-hour plan.
Best Time to Visit Mammoth Cave National Park
When to visit Mammoth Cave by season, which tours run when, and how to get tickets for the busiest months on the longest cave system on Earth.
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Keep exploring
More parks in Kentucky.