La Salle County topographic map

Average elevation: 1,113 m

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Average elevation: 191 m

Average elevation: 166 m

Dallas and its surrounding area are mostly flat. The city lies at elevations ranging from 450 to 550 feet (137 to 168 m) above sea level. The western edge of the Austin Chalk Formation, a limestone escarpment (also known as the "White Rock Escarpment"), rises 230 feet (70 m) and runs roughly north–south…

Average elevation: 160 m

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Average elevation: 610 m

Average elevation: 99 m

The area is divided into two regions by the Balcones Escarpment, which runs through the center from north to south along a line from Jarrell to Georgetown to Round Rock. The county's western half is an extension of the Western Plains and considered to be within the eastern fringes of Texas Hill Country; it has…

Average elevation: 222 m

Big Lake experiences a hot semiarid climate, typical of West Texas and parts of Central Texas. Summers are long and hot, and winters are short and relatively mild. In the summer, low humidity helps temper the heat. Due to Big Lake's aridity and elevation, temperatures drop quickly after sunset, especially in…

Average elevation: 820 m

El Paso County was established in March 1850, with San Elizario as the first county seat. The United States Senate fixed a boundary between Texas and New Mexico at the 32nd parallel, thus largely ignoring history and topography. A military post called the "Post opposite El Paso" (meaning opposite El Paso del…

Average elevation: 1,237 m

Average elevation: 50 m

Average elevation: 212 m

Average elevation: 117 m

San Antonio is approximately 75 miles (121 km) to the southwest of its neighboring city, Austin, the state capital, about 190 miles (310 km) west of Houston, and about 250 miles (400 km) south of the Dallas–Fort Worth area. The city has a total area of 465.4 square miles (1,205.4 km2); 460.93 square miles…

Average elevation: 247 m

Average elevation: 233 m

At first, Plano's population grew slowly, reaching 1,304 in 1900 and 3,695 in 1960. By 1970, Plano began to feel some of the boom its neighbors had experienced after World War II. A series of public works projects and a change in taxes that removed the farming community from the town helped increase the…

Average elevation: 196 m

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Average elevation: 781 m

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Average elevation: 873 m

Average elevation: 668 m

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Average elevation: 8 m

Average elevation: 61 m

Average elevation: 105 m

Houston is located 165 miles (266 km) east of Austin, 88 miles (142 km) west of the Louisiana border, and 250 miles (400 km) south of Dallas. The city has a total area of 637.4 square miles (1,651 km2); this comprises over 599.59 square miles (1,552.9 km2) of land and 22.3 square miles (58 km2) covered by…

Average elevation: 18 m

Average elevation: 142 m

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Average elevation: 932 m

Average elevation: 46 m

Average elevation: 809 m

Average elevation: 109 m

Average elevation: 87 m

Average elevation: 165 m

Average elevation: 115 m

Average elevation: 150 m

Average elevation: 376 m

The elevation of Austin varies from 425 feet (130 m) to approximately 1,000 feet (305 m) above sea level. Due to the fact it straddles the Balcones Fault, much of the eastern part of the city is flat, with heavy clay and loam soils, whereas the western part and western suburbs consist of rolling hills on the…

Average elevation: 216 m