Harris County topographic maps
Click on a map to view its topography, its elevation and its terrain.

Houston
United States > Texas > Harris County
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

Tomball
United States > Texas > Harris County
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