Big Thicket National Preserve, TX
- Vicinity: Eastern Texas
- US County of Hardin County, TX in Texas
- US County of Jasper County, TX in Texas
- US County of Liberty County, TX in Texas
- US County of Polk County, TX in Texas
- US County of San Jacinto County in Texas
- US County of Tyler County, TX in Texas
- As Noted In: World Biosphere Reserve, UNESCO