Gulf Coastal Plains

Major Cities:
Houston, San Antonio, Texarkana, Corpus Christi, Brownsville

Geographical Features:
Land is nearly leveled and drained plains. Sand dunes, grasslands, and salt marshes are located here.

Landmarks:
Balcones Escarpment to the west,
Gulf of Mexico is is southeast

Rivers:
Rio Grande, Nueces, Guadalupe, Colorado, Brazos, Trinity, Neches, Sabine, and San Antonio River

5

Points of Interest:
Big Thicket National Preserve, South Padre Island National Seashore,
Palo Alto Battlefield National Historic Site