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is a city in Gregg and Upshur Counties in the U.S. state of Texas. The population was 6,078 at the 2000 census.
The town is probably most famous as a base during Elvis Presley's early career , and also as the town in which Johnny Cash wrote
. Gladewater was also a major Boom Town during the early 20th Century with the discovery of oil.
Gladewater has the distinction of being in three different counties: Gregg, Smith, and Upshur counties.
Gladewater is located at (32.542666, -94.946950), primarily within Gregg County.
According to the United States Census Bureau, the city has a total area of 12.1 square miles (31.4 km²), of which, 11.6 square miles (30.1 km²) of it is land and 0.5 square miles (1.4 km²) of it (4.37%) is water.