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Class of 2027

Class is Full. You can email us to be added to the waitlist. If an opening becomes available, we will contact you.

Applications for our 2027 Texas Master Naturalist training class opens October 1st.  Training will be in-person.

As a chapter of the Texas Master Naturalist Program, we develop well-informed volunteers to educate, outreach, and serve in the beneficial management of natural resources and areas in the lower Rio Grande Valley.
Classes are Thursday evenings from 6:00 – 9:00 pm, from Jan. 7 – March 25, 2027 in Edinburg.  Half of the Field Trips will be on Saturdays (see tentative schedule below).  They include visits to natural areas, state parks, national wildlife areas and world birding centers.  There will be approximately 23 hours of field trips to choose from.  Trainees only need to attend 10 field trip hours. 
Click above to Register.  To complete your application, you must also submit Payment of the $150 for class and materials fee.  Payment is DUE by November 30, 2026.

If you have not paid by the deadline, you may be put on a waiting list.  Our classes usually fill up so don't wait till the last day.​  Your application is not complete until you both register and pay.  If our class fills up and you have not completed both, you will not be accepted.

There are service and training requirements for initial certification and then annual recertification.

This training provides an educational foundation about the unique ecology of the lower RGV given by teachers who are local experts highly rated by past trainees. It is also a delightful chance to connect with like-interested folks aged 20s to 80s from a variety of backgrounds. All are welcome!

The Rio Grande Valley has two Texas Master Naturalist Chapters.  Our chapter, the South Texas Border Chapter, is based in McAllen, Hidalgo County.  The Rio Grande Valley Chapter is based in Harlingen, Cameron County with classes in Laguna Vista.  You may choose either chapter depending on your location or schedule.
 
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