El Castillo, TX
- Elevation
- 244 ft USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
- General Quality Overall rating out of 100
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About El Castillo
El Castillo is a small, quiet community tucked into Starr County in the Rio Grande Valley. With around two hundred residents, it sits along the Highway 83 corridor between Rio Grande City and La Grulla. Daily life moves at a relaxed pace, surrounded by South Texas brush country and neighbors who enjoy wide-open space.
Because the area is strictly residential, locals make the short drive into Rio Grande City for groceries, dining, and healthcare at Starr County Memorial Hospital. Families are zoned to the Rio Grande City Grulla school district, which runs bus routes throughout the neighborhood for elementary through high school students. South Texas College also operates a campus nearby, giving residents a peaceful rural setting with county services close at hand.
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