The National Park Service is a bureau within the U.S. Department of the Interior. We preserve unimpaired the natural and cultural resources and values of the national park system for the enjoyment, education, and inspiration of this and future generations. The National Park Service cooperates with partners to extend the benefits of natural and cultural resources conservation throughout the country and the world.

Mission of the National Park Service at Big Thicket National Preserve

Big Thicket National Preserve, an area in southeast Texas known for extensive biological diversity, is dedicated to protecting, interpreting, restoring, and preserving those resources, while providing for research, public enjoyment, and closely-managed consumptive activities authorized by Congress.

Preserve Significance

The preserve contains remnants of a diverse ecological system and provides habitat for several threatened and endangered species. Located near an urban/industrial area, it provides protected lands and waters for public recreation, as well as for research on the rich biodiversity of the area. It serves as a natural classroom for educational groups studying ecology and biological diversity.


  • Big Thicket National Preserve was designated as a National Park Service unit on October 11, 1974.
  • The United Nations Environmental, Scientific, and Cultural Organization (UNESCO) recognized Big Thicket National Preserve as part of the international network of Biosphere Reserves on December 15, 1981. Learn more about the Big Thicket Biosphere Reserve.
  • The American Bird Conservancy recognized Big Thicket National Preserve as a Globally Important Bird Area on July 26, 2001.

Last updated: September 16, 2017

Contact the Park

Mailing Address:

6044 FM 420
Kountze, TX 77625


(409) 951-6800

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