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The Tennessee Valley is a large valley created by the Tennessee River and is within much of the U.S. state of Tennessee. It stretches from southern Kentucky to northwest Georgia and from northern Mississippi to the mountains of Virginia and North Carolina. The border of the valley is known as the Tennessee Valley Divide.

Tennessee Valley is also a generally accepted term for North Alabama, anchored by the city of Huntsville.

Contents 1 Geography 2 Important cities 3 Transportation 3.1 Interstates 3.2 Airports 3.3 River Ports 4 See also

The Tennessee Valley begins in the upper head water portions of northeast Tennessee and travels southwest into North Alabama. The roughly 150 mile (240 km) stretch within Tennessee is bound on the east by the Appalachian Mountains (including the Great Smoky Mountains) and on the west by the Cumberland Plateau and Cumberland Mountains. Near Chattanooga, Tennessee, the Tennessee River cuts though the Cumberland Plateau creating a canyon called the Tennessee River Gorge before it enters northern Alabama. The 100 mile (160 km) Alabama stretch of the valley runs mainly west before turning back north and re-entering Tennessee. In Alabama, the valley is bound on the north by the southern end of the Cumberland Plateau. On the south it is bound by the southern end of the Appalachians.

The valley continues back north into Tennessee, creating the dividing line between Middle Tennessee and West Tennessee, eventually reaching to the Ohio River in Western Kentucky.

Geologically, the eastern Tennessee Valley consists of many small valleys and ridges within a great valley. The region is termed the Ridge and Valley Province and the great valley is termed the Great Appalachian Valley.

• Knoxville, Tennessee, the most populous metropolitan area in the valley, is where the Tennessee River begins at the confluence of the Holston and the French Broad Rivers. Here, the Tennessee Valley is sometimes called the Volunteer Valley. Knoxville along with nearby Oak Ridge and Maryville-Alcoa, form a major research and manufacturing corridor anchored by the University of Tennessee, the Oak Ridge National Laboratory, and the Tennessee Valley Authority headquarters.

• Chattanooga, Tennessee, is nicknamed "The Scenic City" for its vistas of the Tennessee Valley from atop the many mountaintops that surround the city. Chattanooga and its suburbs form the second most populous metropolitan area in the valley. The Battle of Chattanooga was fought on nearby Lookout Mountain.

• Elizabethton, Tennessee, is a small city formerly known by the moniker "The City of Power" prior to the post World War II era of nuclear power production. It is located at the confluence of the Doe River and Watauga River downstream from the Watauga Reservoir and the Wilbur Reservoir. Both are maintained by the Tennessee Valley Authority.

• Decatur, Alabama, known as "The River City", has historically dominated the economic landscape of north Alabama. It was until the beginning of the space race, Decatur held the top position in terms of economic impact, and population. Its mixture of river transport and rail access has made it a busy hub of business, commerce, and manufacturing flowing down the river on the barges and boats of numerous companies and docking at the Port of Decatur.
  • The City of Decatur also claims the nickname "The Heart of the Valley" because of its location near the exact center of the length of the Tennessee River. Also because most north/south shipping traffic is funneled through the town utilizing three river crossings that are main routes for rail and road traffic between Birmingham, and Nashville. The city is also an important river port that uses intramodal facilities to switch shipping methods between trains, trucks, and barges.

• Huntsville, Alabama, has risen to be the center of north Alabama economic activity since the dawn of the space age in the 1950s. Its aerospace and military technology centers of Redstone Arsenal, Cummings Research Park, and NASA's Marshall Space Flight Center define the high-tech landscape for the state of Alabama.

• Interstate 40 runs east-west across the Tennessee portion of the Tennessee Valley. Connecting Nashville, Tennessee, with Knoxville and Asheville, North Carolina.
• Interstate 65 is the main north-south road in the central part of the valley, connecting Birmingham, Huntsville-Decatur, and Nashville.
  • Interstate 565/Alabama 20/Alt 72 is the main corrider of the Huntsville-Decatur Combined Statistical Area that links the Huntsville Metropolitan Area and the Decatur Metropolitan Area, along with all of the scientific research and space exploration institutions in Northern Alabama. The road also provides a vital link to I-65 for both urban areas.
• Interstate 75 runs down the middle of the valley of East Tennessee. It connects Chattanooga and Knoxville with Atlanta, Georgia and Cincinnati, Ohio.

• Huntsville International Airport, Huntsville
• Pryor Field Regional Airport, Decatur
• Northwest Alabama Regional Airport, Muscle Shoals
• Chattanooga Metropolitan Airport, Chattanooga
• McGhee Tyson Airport, Alcoa, Tennessee (serves the Knoxville metropolitan area)

• Port of Decatur - Decatur
• Port of Guntersville - Guntersville
• Chattanooga
• Knoxville
• Florence - The Shoals area
• Paducah, Kentucky

• Tennessee Valley Authority