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mountin basins
El Paso is the Mountains and Basins section's most populous city, but the region also has other -- though much smaller -- cities, including Kermit and Monahans in the Permian Basin area and Fort Davis and Alpine in the mountains. The Mountains and Basins region is in the least populated part of Texas. -
Great Plains
The Great Plains include the Llano Estacado, the Panhandle, Edwards Plateau, Toyah Basin, and the Llano Uplift. It is bordered on the east by the Caprock Escarpment in the panhandle and by the Balcones Fault to the southeast. -
central plains
The North Central Plains of Texas are a southwestern extension into Texas of the interior, or central, lowlands that extend northward to the Canadian border, paralleling the Great Plains to the West. The North Central Plains of Texas extend from the Blackland Belt on the east to the Caprock Escarpment on the west. -
costal plains
Cities such as Corpus Christi, Galveston, and Houston are in the Gulf Coast region. Near the gulf waters you can see marshes, barrier islands, estuaries (where salty sea water and fresh river water meet), and bays. As you travel west, you can see prairies and grasslands.
