Mammoth Cave National Park
Kentucky Est. 1941

Mammoth Cave National Park

Cave Forest River
54,012 Acres
747,000/year Annual Visitors
Free Entry Fee
Year-round (cave temperature constant at 54 degrees F) Best Time to Visit
Park Closure: Elevator for Accessible Tour Out of Service +2 more
National Park Service National Park
Mammoth Cave was established on July 1, 1941, protecting the world's longest known cave system with over 420 miles of surveyed passages and still growing. The cave has been used by humans for at least 5,000 years.

Our Mammoth Cave Articles

When to Visit Mammoth Cave

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Month-by-Month Conditions

Tap any month for details

Month
High
Low
Crowds
Roads
Jan
88°
73°
Low
Open
Feb
85°
70°
Low
Open
Mar
77°
61°
Low
Open
Apr
67°
50°
Light
Open
May Best
56°
37°
Heavy
Open
Jun Best
48°
28°
Heavy
Open
Jul Best
45°
25°
Heavy
Open
Aug Best
48°
28°
Peak
Open
Sep Best
56°
37°
Peak
Open
Oct Best
67°
50°
Heavy
Open
Nov
77°
61°
Light
Open
Dec
85°
70°
Low
Open
Best months to visit Crowd level (low to peak)

Campgrounds in Mammoth Cave

Houchin Ferry Campground

$20/night

The Houchin Ferry Campground lies next to the Green River at the former location of the Houchin Ferry. This campground is operated year-round and is...

12 sites Reservable Open Year-Round
Reserve a Site

Mammoth Cave Campground

$25/night

The Mammoth Cave Campground is ideal for visitors seeking an authentic national park experience while still having easy access to amenities, cave tours, and other...

111 sites Reservable Campground Hours
Reserve a Site

Maple Springs Group Campground

$50/night

Maple Springs Group Campground lies on the park's north side, six miles from the visitor center and three miles north of Green River Ferry. This...

7 sites Reservable Open Season
Reserve a Site

Trip Essentials

Gear and guides we recommend for Mammoth Cave. Affiliate links help support our work.

Getting to Mammoth Cave

Gateway Towns

  • Cave City, KY
  • Park City, KY

Nearest Airports

  • BWG Bowling Green-Warren County 30 mi
  • SDF Louisville Muhammad Ali International 90 mi
  • BNA Nashville International 100 mi

Mammoth Cave Map

VC Visitor Center CG Campground Nearby Park