Harris County topographic maps

Average elevation: 30 ft

Average elevation: 16 ft

Average elevation: 115 ft

Average elevation: 62 ft

Average elevation: 69 ft

Average elevation: 23 ft

Average elevation: 223 ft

Average elevation: 82 ft

Average elevation: 79 ft

Average elevation: 82 ft

Average elevation: 62 ft

Average elevation: 79 ft

Average elevation: 26 ft

The Buffalo Bayou watershed is central to the drainage of Houston and Harris County. Lying over relatively impervious soils and very flat topography, the bayou has extensive natural floodplains, as do most Gulf coastal rivers and streams. Urbanization of the watershed has placed thousands of people in…

Average elevation: 79 ft

Average elevation: 52 ft

Settlement began in the Tomball area in the early 19th century, where settlers found an open, fertile land that received adequate rainfall—perfect conditions for farming and raising cattle. It was on a land granted in 1838 to William Hurd's heirs. In 1906 the area began to boom. Railroad line engineers often…

Average elevation: 171 ft

Average elevation: 72 ft

Average elevation: 82 ft

Average elevation: 213 ft

Average elevation: 13 ft

Average elevation: 62 ft

Average elevation: 23 ft

Average elevation: 72 ft

Average elevation: 49 ft

Average elevation: 7 ft

Average elevation: 36 ft

Average elevation: 66 ft

Average elevation: 184 ft

Average elevation: 79 ft

Average elevation: 151 ft

Average elevation: 26 ft

Average elevation: 49 ft

Average elevation: 151 ft

Average elevation: 85 ft

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: 82 ft

Average elevation: 66 ft

Average elevation: 10 ft

Average elevation: 62 ft

Average elevation: 141 ft

Average elevation: 72 ft

Average elevation: 23 ft

Average elevation: 36 ft

Average elevation: 92 ft

Average elevation: 33 ft

Average elevation: 49 ft

Average elevation: 13 ft

Average elevation: 10 ft

Average elevation: 89 ft

Average elevation: 115 ft

Average elevation: 131 ft