Brazos River topographic map

Houston is characterized by its predominantly flat topography, sitting at an average elevation of approximately 59 feet (18 meters) above sea level. The city is situated on the Gulf Coastal Plain, which is dissected by a network of bayous that contribute to the region's drainage. This terrain was once covered…

Average elevation: 25 m

Average elevation: 218 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

Dallas features a predominantly flat terrain characterized by elevations generally ranging from 450 to 550 feet (137 to 168 meters) above sea level. The landscape is shaped significantly by the western edge of the Austin Chalk Formation, a limestone escarpment known as the White Rock Escarpment, which rises…

Average elevation: 160 m

Houston is characterized by its predominantly flat topography, sitting at an average elevation of approximately 59 feet (18 meters) above sea level. The city is situated on the Gulf Coastal Plain, which is dissected by a network of bayous that contribute to the region's drainage. This terrain was once covered…

Average elevation: 25 m

Austin features a diverse and varied topography shaped by its position along the Balcones Fault. The city’s elevation ranges from about 425 feet to approximately 1,000 feet above sea level, creating a landscape characterized by rolling hills and elevated areas particularly in the western regions. To the…

Average elevation: 216 m

Average elevation: 212 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

Amarillo features a unique topography characterized by its high elevation and flat plains. The city averages around 3,600 feet (1,097 meters) above sea level, making it one of the highest major cities in Texas​. The surrounding landscape consists of the Llano Estacado, a vast tabletop plateau that slopes…

Average elevation: 1,098 m

El Paso is characterized by a diverse and striking topography shaped by its desert environment and mountainous landscapes. The city is situated at an average elevation of approximately 3,700 feet above sea level, surrounded by the rugged Franklin Mountains to the west, where peaks exceed 7,000 feet​. This…

Average elevation: 1,237 m

Average elevation: 140 m

San Antonio features a diverse topography characterized by gently rolling hills and flat plains. The city's elevation averages around 650 feet above sea level, but nearby areas can reach heights of up to 1,300 feet in certain locations like Cross Mountain​. The landscape is part of the southern edge of the…

Average elevation: 247 m

San Marcos is characterized by its diverse topography, which includes rolling hills, lush riverbanks, and scenic limestone outcroppings. The city is situated at an elevation of approximately 600 feet above sea level, providing a backdrop of gently undulating terrain that slopes towards the banks of the San…

Average elevation: 208 m

Average elevation: 40 m

Average elevation: 356 m

Average elevation: 202 m

Average elevation: 296 m

Average elevation: 87 m

Average elevation: 87 m

Average elevation: 25 m

New Braunfels occupies a transitional Hill Country setting on the Balcones Escarpment, where the higher, more dissected limestone uplands of the Edwards Plateau give way southeastward toward lower prairie terrain. The city’s relief is organized around the Guadalupe River valley and the short spring-fed Comal…

Average elevation: 228 m

Average elevation: 2 m

McLennan County is characterized by its gently rolling terrain and a mix of landscapes that define its topography. The county's average elevation is approximately 600 feet above sea level, with variations across its landscape influenced by the presence of rivers and creeks, notably the Bosque River and the…

Average elevation: 181 m

Kerrville is characterized by a diverse and rugged topography. Nestled along the Guadalupe River, it sits at an elevation averaging 1,600 feet above sea level, with varying terrain that includes gentle hills, steep slopes, and flat river valleys. This area features numerous limestone hills, characteristic of…

Average elevation: 545 m

Average elevation: 174 m

Average elevation: 191 m

Average elevation: 465 m

Average elevation: 297 m

Average elevation: 88 m

Average elevation: 298 m

Average elevation: 171 m

Average elevation: 19 m

Montgomery County features a predominantly flat terrain, with average elevations ranging from about 100 to 350 feet above sea level. The landscape is gently rolling, particularly towards the northern areas, and is interspersed with several lakes, such as the expansive Lake Conroe. This large reservoir, formed…

Average elevation: 69 m

Average elevation: 28 m

Average elevation: 202 m

Average elevation: 76 m

Travis County features a varied and dynamic topography characterized by rolling hills, lush valleys, and significant water features. The terrain rises gently from the flatlands in the east to the more rugged and elevated areas in the west, reaching elevations of up to about 1,400 feet above sea level. The…

Average elevation: 231 m

Navarro County occupies a gently varied part of north-central Texas where broad Blackland Prairie terrain gives way eastward to lower, more dissected creek and reservoir landscapes. The county is described as mostly level to rolling blacklands, with open prairie dominant and woodland areas of oak, hickory, and…

Average elevation: 131 m

Average elevation: 147 m

Enchanted Rock is a geographical landmark 27 km (17 mi) north of Fredericksburg in Llano County. The rock is a huge, pink granite exfoliation dome that rises 425 ft (130 m) above the surrounding land, has a summit elevation of 1,825 ft (556 m) above sea level, and covers 640 acres (260 ha). Enchanted Rock…

Average elevation: 526 m

Average elevation: 105 m

Average elevation: 160 m

Average elevation: 117 m

Average elevation: 286 m

Average elevation: 98 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

Average elevation: 164 m

Average elevation: 182 m

Average elevation: 872 m

Average elevation: 114 m

Georgetown lies in the central part of Williamson County and features a diverse topography influenced by the Balcones Escarpment. The city itself sits at an average elevation of about 800 feet (244 meters), with its terrain ranging from flatter areas in the east to more hilly and karst-like features in the…

Average elevation: 247 m

Average elevation: 214 m

Average elevation: 111 m

Average elevation: 203 m

Average elevation: 132 m

Average elevation: 90 m

Average elevation: 2 m

Average elevation: 232 m

Corpus Christi features a diverse coastal topography characterized by its proximity to the Gulf of Mexico. The landscape includes sandy beaches, barrier islands, and extensive estuarine systems such as the Nueces Estuary and Corpus Christi Bay, which are crucial habitats for wildlife. The region is…

Average elevation: 8 m

Average elevation: 576 m

Average elevation: 8 m

Average elevation: 317 m

Average elevation: 168 m

Average elevation: 211 m

Big Bend National Park is an American national park located in West Texas, bordering Mexico. The park has national significance as the largest protected area of Chihuahuan Desert topography and ecology in the United States, and was named after a large bend in the Rio Grande/Río Bravo. The park protects more…

Average elevation: 934 m

Average elevation: 131 m

Average elevation: 62 m

The geography of Orange County varies relatively little, with an elevation that reaches 33 ft (10 m) above sea level at very few points within the county. Orange County is very flat, and its soil is quite sandy, as could be expected in a county along the Gulf of Mexico. (Sandy soil is also common in southern…

Average elevation: 4 m

Average elevation: 23 m

Average elevation: 127 m

Average elevation: 323 m

Average elevation: 533 m

Average elevation: 988 m

On September 8, 1900, the island was struck by a devastating hurricane. This event holds the record as the United States' deadliest natural disaster. The city was devastated, and an estimated 6,000 to 8,000 people on the island were killed. Following the storm, a 10-mile (16 km) long, 17 foot (5.2 m) high…

Average elevation: 1 m

Average elevation: 147 m

Average elevation: 28 m

Average elevation: 894 m

Average elevation: 300 m

Average elevation: 87 m

Average elevation: 108 m

Average elevation: 311 m

Average elevation: 3 m

Port Arthur sits in a low-lying coastal area of the Gulf Coast, characterized by its flat, marshy terrain. The city is located at an average elevation of just 8 feet (2 meters) above sea level, with parts of the surrounding region even closer to sea level. Its topography is dominated by wetlands, tidal…

Average elevation: 2 m

Average elevation: 173 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: 8 m

Average elevation: 118 m

Lago Vista is situated on the northern shore of Lake Travis within the Texas Hill Country. The area's terrain is notably rugged, with steep limestone hills and canyons. Elevations range from about 774 feet near the lake to 1,220 feet near Rusty Allen Airport, making it one of the highest points in Travis…

Average elevation: 251 m

Average elevation: 185 m

Average elevation: 61 m

The topography of Rockport, Texas, is defined by its flat, coastal terrain, with the city's average elevation being around 20 feet above sea level. The land is largely shaped by the proximity to the Gulf of Mexico, which influences the area's low-lying nature, including some areas below sea level. The…

Average elevation: 3 m

Average elevation: 191 m

Average elevation: 72 m

Average elevation: 108 m

The earthfill dam has a concrete spillway and was designed by Brown and Root, Incorporated (now KBR, Inc). The dam has a spillway crest elevation of 99 feet (30 m) above mean sea level. The average base width of the dam's earthen embankment is 310 feet (94 m) wide. The spillway is designed and constructed to…

Average elevation: 66 m

Average elevation: 131 m

Average elevation: 35 m

Average elevation: 204 m

Average elevation: 1 m

Average elevation: 24 m