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 lush, bird-rich wetland sanctuary featuring boardwalks, shallow ponds, and subtropical woodlands. Walk the easy trails to spot rare tropical birds, butterflies, and alligators in the heart of the Rio Grande Valley.
Things to do
🥾 Hiking
🚲 Biking
🐦 Birding
🧭 Geocaching
Amenities & facilities
👥 Group Sites
♿ ADA Accessible
🐕 Pets Allowed
🌞 Day Use Only
Entrance fee
$5 per adult (13+)
Hours
Open daily,
8 a.m.-5 p.m.
Hours as published by TPWD. Check the official page before a long drive.