Contact Us

Before contacting us...

Have you searched the website to find what you're looking for? You can probably find the answer to your question more quickly than waiting for a reply. Some of our most common questions involve backcountry and riverside camping, campground reservations, permits and reservations, volunteer opportunities, employment opportunities, cave tours, and other ranger-led programs.

A park ranger on the phone
If you have questions, give us a call or send us an email.

NPS Photo/ Thomas DiGiovannangelo

By Email

Ask a question or leave a comment. We usually reply to emails within two weeks. Please leave a callback phone number in your message, as we may be better able to respond to your question or request over the phone.

By Phone

Cave Tour and Campground Reservations: (877) 444-6777 or visit

Mammoth Cave Visitor Center: (270) 758-2180

Reporting Line: (270) 758-2168 (To report hazards or suspicious activity to the park)

Green River Ferry Hotline: (270) 758-2166

By Mail

Mammoth Cave National Park
P.O. Box 7
1 Mammoth Cave Parkway
Mammoth Cave, KY 42259


Not sure who to contact?

Contact us via e-mail for general park inquiries or learn more about our Staff & Offices to contact a specific department.

Last updated: August 27, 2022

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Contact Info

Mailing Address:

P.O. Box 7
Mammoth Cave, KY 42259-0007


270 758-2180

Contact Us