National Park · KY
Mammoth Cave National Park
Mammoth Cave is quietest in January and February and busiest in July.
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Pick a month to visit Mammoth Cave
This week
7-day forecast
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Fri 10 | Heavy rain | 79°F | 70°F | 75% |
| Sat 11 | Light drizzle | 85°F | 70°F | 64% |
| Sun 12 | Thunderstorm | 81°F | 69°F | 67% |
| Mon 13 | Drizzle | 81°F | 68°F | 54% |
| Tue 14 | Drizzle | 83°F | 68°F | 12% |
| Wed 15 | Overcast | 86°F | 70°F | 9% |
| Thu 16 | Partly cloudy | 88°F | 71°F | 16% |
Forecast data by Open-Meteo
Source: Open-Meteo
Weather
Monthly climate normals
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| January | — | — | 3.8" |
| February | — | — | 4.5" |
| March | — | — | 4.8" |
| April | — | — | 4.8" |
| May | — | — | 5.3" |
| June | — | — | 4.9" |
| July | — | — | 4.6" |
| August | — | — | 3.8" |
| September | — | — | 4.0" |
| October | — | — | 3.4" |
| November | — | — | 3.5" |
| December | — | — | 4.8" |
Source: NOAA 1991–2020 climate normals, SMITHS GROVE 0.3 SE, KY US
Know before you go
Fees & hours
- Entrance fee
- Free — Free entrance
- 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.
Source: NPS Data API
Conditions
Current alerts
- 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 → - 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.
- 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.
Source: NPS Data API