Kentucky · National Park
Mammoth Cave: tour or DIY?
Checked Oct 26, 2026 · Source: NPS
The National Park Service data we checked on Oct 26, 2026 lists no entrance fee for Mammoth Cave, though parking, tours, camping or reservations can still cost money. Entry costs a DIY visitor nothing, so a tour price pays for transport and guiding. July is busiest, with 16% of 2025 recreation visits.
Free to enter, so the tour is about transport
The NPS lists no entrance fee here, so a tour price is almost entirely transport, guiding and any permits. Check the park fee page for parking, camping or reservation fees.
We do not print tour prices here because we do not have a live, licensed feed for them. Enter a real quote in the calculator and we prefill this park’s fee.
Entrance fees
The NPS data we pulled lists no entrance or reservation fees for Mammoth Cave. Parking, camping, tours and boat or ferry rides can still cost money. Confirm on the official fee page.
Source: nps.gov fees and passes for Mammoth Cave via the NPS API, checked Oct 26, 2026. Fees change; confirm before you go.
Pass math
- There is no listed entrance fee here, so a pass saves nothing at this park. It only matters for other parks on your trip.
- Seniors 62+ pay $20 for an annual pass or $80 for lifetime.
When it is busiest
NPS recreation visits by month, 2025. July had 16% of the year; October was the quietest month, with about 12% of the busiest month’s visits.
Show the numbers
| Month | Recreation visits |
|---|---|
| January | 16,250 |
| February | 21,056 |
| March | 74,221 |
| April | 64,740 |
| May | 68,430 |
| June | 96,793 |
| July | 102,778 |
| August | 79,800 |
| September | 57,890 |
| October | 12,646 |
| November | 20,588 |
| December | 45,542 |
Source: NPS IRMA Stats, recreation visitors, 2025, pulled Oct 26, 2026.
Alerts right now
4 active NPS alerts when we checked on Oct 26, 2026, including 2 closures. Showing the most serious first.
Park Closure Green River Ferry Temporarily Out of Service
The Green River Ferry has temporarily suspended operation due to low water levels. Ferry service will resume once water levels rise and conditions are safe. A river forecast is available at: water.noaa.gov/gauges/03309000 Details on nps.gov
Park Closure Elevator for Accessible Tour Out of Service
Due to mechanical issues with the cave elevator, the Accessible Tour is currently unavailable. Please check back for updates or call the visitor center at (270) 758-2180. Details on nps.gov
Information Temporary Closure of Select Trails for Rehabilitation Project
The Old Guides Trail, Heritage Trail, Sunset Point Trail and areas of the Sinkhole Trail are currently closed due to a trail rehabilitation project. Details on nps.gov
Information Tickets are required to enter Mammoth Cave
Reservations are strongly recommended. Reservations are the only way to ensure a spot is available for your party. Please plan accordingly by visiting Recreation.gov to secure your tickets in advance. Availability of walk-up tickets is not guaranteed. Details on nps.gov
Source: NPS API alerts, checked Oct 26, 2026. Conditions change by the hour; check the park page before you drive.
Hours and access
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.
Source: NPS API operating hours, checked Oct 26, 2026.
What NPS lists to do here
- Astronomy
- Backcountry Camping
- Backcountry Hiking
- Biking
- Boating
- Bookstore and Park Store
- Camping
- Canoe or Kayak Camping
- Canoe or Kayak Camping
- Canoeing
- Car or Front Country Camping
- Caving
- Dining
- Fishing
- Food
- Freshwater Fishing
- Front-Country Hiking
- Group Camping
- Guided Tours
- Hands-On
- Hiking
- Horse Camping (see also Horse/Stock Use)
- Horse Camping (see also camping)
- Horse Trekking
- +11 more
Source: NPS API activity tags, checked Oct 26, 2026.
Got a tour quote for Mammoth Cave?
Put it next to your own costs and see the break-even.
Open the calculator for Mammoth CaveQuestions
Is there an entrance fee for Mammoth Cave?
The NPS data we checked on Oct 26, 2026 lists no entrance fee. Other fees may apply, so confirm on the park’s fee page.
When is Mammoth Cave busiest?
July had the most recreation visits in 2025 (16% of the year). October had the fewest, so July drew about 8.1 times as many visits. Source: NPS IRMA Stats.
TourOrDIY is independent and not affiliated with the National Park Service. Numbers are copied from NPS public data on Oct 26, 2026 and may have changed. See the accuracy disclaimer and our method.