• Sierra del Carmen

    Big Bend

    National Park Texas

There are park alerts in effect.
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  • Extreme Water Shortage

    Extreme water shortage throughout park. Visitors are limited to 5 gallons per day, and are encouraged to conserve further when possible. Please consider bringing your own water to the park.

Research Permits

Resource Monitoring
Resource Monitoring
NPS Photo/Jennette Jurado

Unique geology, diverse flora and fauna, and a long record of human habitation all provide opportunities to increase the scientific knowledge about the natural and cultural resources found here. The National Park Service recognizes the scientific value of parks and encourages research when it is consistent with NPS policies

An additional emphasis on research here is the designation of Big Bend National Park as a Biosphere Reserve in 1976. The United Nations "Man and the Biosphere" program fosters harmonious relationships between humans and the biosphere through domestic and international cooperation in interdisciplinary research.

Big Bend is one of the most studied parks in the National Park System. Each spring, research from the past year is summarized in an Annual Investigator's Report.

Applying for a Resource Activity Permit
All investigators interested in conducting research in national parks MUST apply for a resource activity permit. The link below provides information on applying for a resource activity permit:


Did You Know?

Longhorn in repose

As planning progressed for the new Big Bend National Park in the early 1940s, one prominent proposal called for the development of a dude ranch in the new park. Occupying as much as 200,000 acres, the ranch would have featured longhorn cattle. Objections by biologists helped eliminate the idea. More...