Physical map of Texas
Information about the geography of TexasTexas lies in the south-central part of the United States of America. Texas is considered to form part of the US South and also part of the U.S. Southwest. Some regions of Texas are associated with the South more than the Southwest, (primarily East Texas), while other regions share more similarities with the Southwest than the south (primarily West Texas and South Texas).
Texas has four major physical regions: 1) The Gulf Coastal Plains, from the Gulf of Mexico inland to the Balcones Fault and the Eastern Cross Timbers; 2) The Interior Lowlands are bounded by the Caprock Escarpment to the west, the Edwards Plateau to the South, and the Eastern Cross Timbers to the east; 3) The Great Plains that include the Llano Estacado, the Panhandle, Edwards Plateau, Toyah Basin, and Llano Basin; 4) The Basin and Range Province, in extreme western Texas, west of the Pecos River beginning with the Davis Mountains on the east and the Rio Grande to its west and south. This is the only part of Texas regarded as mountainous and includes seven named peaks in elevation greater than 2438 m.