Lots & Land in Three Rivers, TX

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Three Rivers is a city in Live Oak County, Texas, in the mesquite and brush country of South Texas, near the point where the Nueces, Frio, and Atascosa rivers converge. The 2020 census recorded 1,474 residents. The town was founded in 1913 about ten miles east of what is now Choke Canyon State Park, and was originally called Hamiltonburg before being renamed for the three rivers that define its geography. The economy of Three Rivers has long rested on ranching and energy. The surrounding Live Oak County countryside is cattle country, and oil and gas production has been central since the early twentieth century, when the first wells were drilled on area ranches. A large Valero refinery has dominated the local skyline for decades, giving the town a working, industrial character alongside its agricultural roots. The Bureau of Reclamation's Nueces River Project, which created Choke Canyon Reservoir, opened its project office in Three Rivers in 1976, linking the town to the region's water infrastructure. Choke Canyon Reservoir and State Park are the area's principal recreation assets, drawing anglers, boaters, and birders to the lake just west of town. Three Rivers Independent School District serves local students from a compact set of campuses. The town sits along Interstate 37, the main route between San Antonio and Corpus Christi, placing it about an hour from both cities. For residents, Three Rivers offers a small-town South Texas setting with a genuine working economy, convenient freeway access, and a major lake and state park at the edge of town — a practical base for those connected to ranching, energy, or the region's two coastal cities. It blends brush-country heritage with the reach of the interstate and the water.

Population 1,474

County Live Oak

Active Listings 93

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Frequently Asked Questions

Where is Three Rivers, Texas?

Three Rivers is in Live Oak County, Texas, in South Texas, near where the Nueces, Frio, and Atascosa rivers converge. It sits on Interstate 37 about an hour from both San Antonio and Corpus Christi.

Why is it called Three Rivers?

The city takes its name from the convergence of three rivers nearby: the Nueces, Frio, and Atascosa. It was founded in 1913 and originally called Hamiltonburg before being renamed Three Rivers.

What is Three Rivers known for?

Three Rivers is known for ranching, oil, and gas, and for the large Valero refinery that has long defined its skyline. It is also a gateway to Choke Canyon Reservoir and State Park, a popular fishing and birding destination.

What school district serves Three Rivers?

Three Rivers Independent School District serves the city and surrounding Live Oak County area with a small rural system of about 560 students across two campuses, providing PreK–12 education within the community.

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