What are the hours at Mammoth Cave National Park?

Mon: All Day; Tue: All Day; Wed: All Day; Thu: All Day; Fri: All Day; Sat: All Day; Sun: All Day (Park Hours)

Does Mammoth Cave National Park require a reservation?

No timed-entry or vehicle reservation is required to enter Mammoth Cave National Park. Individual tours, campgrounds, or backcountry permits may still need to be booked separately.

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Is Mammoth Cave National Park open right now?

Q: Is Mammoth Cave National Park open right now?

As of October 14, 2026, Mammoth Cave National Park is partially closed. Green River Ferry Temporarily Out of Service

National Park · KY

Partially closed

Mammoth Cave National Park is partially closed.

Why this statusGreen River Ferry Temporarily Out of Service

Last checked Wed, 14 Oct 2026 13:00:58 GMT

Official NPS page ↗ ← Back to the map

The longest cave system on Earth — over 400 mapped miles with no end found — beneath a quiet stretch of Kentucky hills along the Green River.

Type: National Park
State: KY
Established: 1941
Size: 113 sq mi
2025 visits: 0.66M (#34 most-visited)

About 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.

Read more on Wikipedia ↗ Text from Wikipedia, CC BY-SA.

Visitor info

Address1 Visitor Center Parkway, Mammoth Cave, KY 42259-0007

Phone(270) 758-2180

Websitewww.nps.gov/maca/index.htm ↗

Hours

Mon	All Day
Tue	All Day
Wed	All Day
Thu	All Day
Fri	All Day
Sat	All Day
Sun	All Day

Park Hours

Getting thereDO NOT FOLLOW YOUR GPS! From the North: Take Interstate 65 to Exit 53 (Cave City Exit). Turn right onto KY-70. Follow 70/255 as it becomes the Mammoth Cave Parkway in the park. Follow the Mammoth Cave Parkway to the Visitor Center. From the South: Take Interstate 65 to Exit 48 (Park City Exit). Turn left onto KY-255…

ReviewsSee ratings & reviews on Google Maps ↗

Parks near here

Abraham Lincoln Birthplace National Historical Park 37 mi
Mill Springs Battlefield National Monument 77 mi
Lincoln Boyhood National Memorial 79 mi
Hoosier National Forest 88 mi
Big South Fork National River & Recreation Area 93 mi
Stones River National Battlefield 93 mi

More in Kentucky

All Kentucky parks & beaches →

How we read this status

We derive Mammoth Cave National Park's status from the National Park Service's own alerts and operating hours, refreshed hourly — this is our reading, not an official determination. As of the last check: Green River Ferry Temporarily Out of Service Full method: how we check park status.