We are volunteers providing education, outreach and service supporting the beneficial management of natural resources and natural areas.

Join us!

About Us

Chartered October 2015, the South Texas Border Chapter has over 70 active members.  We support organizations in Starr, Hidalgo and Cameron Counties.  Meetings are open to the public, check the meeting schedule for coming meetings.  Certification classes are offered beginning each January.  Requirements to become a Texas Master Naturalist are listed below.

Our Partners

We have a variety of partner organizations that we support as volunteers.   Members serve as nature guides, administrave support, educators, speakers, workers, gardeners, and physical laborers.  We build and maintin trails, interpret nature for visitors, weed gardens and support citizen science activities. Master Naturlaists love to learn new things and are not afraid to get dirty!

The Texas Master Naturalist Program

There are 46 Master Naturalist Chapters in the State of Texas.  All chapters are supported by the Statewide Texas Master Naturalist organization.  Visit their website for additional information about the program.

Class of 2019

Welcome New Master Naturalists

These 2018 graduates have completed 30 hours of classes and 10 hours of field trips.  Everyone here worked hard to become certified as Texas Master Naturalists!



To become a Texas Master Naturalist, you are required to complete:

-30 classroom hours

-10 field trip hours

-40 volunteer hours

-8 advanced training hours

Completion must be within 15 months from date of class orientation.

Educational programs of the Texas A&M AgriLife Extension Service and Texas Sea Grant at Texas A&M University are open to all people without regard to race, color, religion, sex, national origin, age, disability, genetic information, or veteran status.
The Texas A&M University System, U.S. Department of Agriculture, and the County Commissioners Courts of Texas Cooperating. 

© 2021 STBCTMN.  Webmaster:  Joseph Connors

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