Location
Nickajack Dam is located 424 miles (682 km) above the mouth of the Tennessee River, near the point where the states of Tennessee, Georgia, and Alabama meet. This stretch of the river marks a region where the river begins to exit the once treacherous Tennessee River Gorge en route to the flatlands around Guntersville, Alabama. The Sequatchie River empties into the dam's tailwaters, and the city of South Pittsburg is just over 5 miles (8.0 km) downstream from the dam. Nickajack Lake stretches northeast for over 46 miles (74 km), all the way to the base of Chickamauga Dam in Chattanooga. Tennessee State Highway 156 passes just south of Nickajack Dam, and Interstate 24 passes a few miles to the north.
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