June 13, 2026 - New world screwworm has been found in parts of Texas.
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Check your pets and livestock often. If you see unusual wounds or maggots, do not move the animal. Call the Texas Animal Health Commission at (800) 550‑8242 or contact a private veterinarian. For wildlife with suspicious wounds or maggots, notify park staff or call (512) 389‑4505.
Park Information The park is open from 8 a.m. Fridays through 4:30 p.m. Mondays. It is closed the rest of the week. We do not have trash service. You must take your trash when you leave. Check back for updates.
A wild underground world of massive columns and cave formations, plus a summer roosting site for thousands of bats. Explore the cavern on a guided tour, hike through rugged limestone hills, and watch the evening bat flight.
Things to do
🥾 Hiking
🚲 Biking
🐦 Birding
🧭 Geocaching
🏹 Hunting
Amenities & facilities
🏕️ Campsites
🚿 Showers
👥 Group Sites
🚐 RV Dump Station
♿ Accessible Facilities
RV / campsite hookups
🔌 Full Hookups (Sewer/Water/Electric)
💧 Water Only
⛺ Primitive / No Hookups
Camping options
Full Hookup Campsites
Campsites with Water
Entrance fee
$3 per adult
Hours
Gate Hours:
Friday - Sunday: 7 a.m. - 10 p.m.
Monday: 7 a.m. - 4:30 p.m.
Headquarters Hours:
Friday - Monday: 8:30 a.m. - 4:30 p.m.
Park Closed: Tuesday - Thursday.
Hours as published by TPWD. Check the official page before a long drive.