Chattanooga from Lookout Mountain

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Seal Nickname(s): Scenic City (official), River City

Location within the U.S. State of Tennessee Coordinates: 35°22443N 85°16223Wÿ / ÿ35.04556, -85.26722 Country United States State Tennessee Counties Hamilton, Marion Government  - Mayor Ron Littlefield (D) Area  - City 143.2 sq mi (370.8 km²)  - Land 135.2 sq mi (352.2 km²)  - Water 8.0 sq mi (20.6 km²) Elevation 676 ft (206 m) Population (2006)  - City 168,293 (city proper)  - Metro 496,704 Time zone EST (UTC-5)  - Summer (DST) EDT (UTC-4) Area code(s) 423 FIPS code 47-14000[1] GNIS feature ID 1307240[2] Website: http://www.chattanooga.gov Chattanooga, "the Scenic City", is the fourth-largest city in Tennessee (after Memphis, Nashville, and Knoxville), and the seat of Hamilton County[3], in the United States of America. It is located in southeast Tennessee on Chickamauga and Nickajack Lake, which are both part of the Tennessee River, near the border of Georgia, and at the junction of three interstate highways, I-24, I-75, and I-59. The city (downtown elevation approximately 685 feet), which lies at the transition between the ridge-and-valley portion of the Appalachian Mountains and the Cumberland Plateau, is surrounded by beautiful mountains and scenic ridges.