June 13, 2026 - New world screwworm has been found in parts of Texas. 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. Tours Cancelled July 16, 2026 - Tours are cancelled through Saturday, July 18. Contact the park for more information.
A massive vertical cave dropping 140 feet down to host millions of Mexican free-tailed bats. Witness the spectacular bat emergence at sunset, explore the rugged surrounding nature trails, or enjoy birding in the oak woodlands.
Things to do
🥾 Hiking
🚲 Biking
🐦 Birding
Amenities & facilities
🌿 Nature Center
🐕 Pets Allowed
Hours
The park is only accessible by scheduled tours. Call the Devil's Sinkhole Society at 830-683-BATS (2287) Wednesday through Sunday, 10 a.m. to 3 p.m., to make reservations.
Hours as published by TPWD. Check the official page before a long drive.