**Screwworm Alert** 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.
A unique underground cavern carved by an ancient river, featuring smooth limestone walls and historic CCC structures. Take a walking tour of the cave, hike the scenic surface trails, and picnic under the oaks.