Gatlinburg is a mountain resort city in Sevier County, Tennessee, United States. It is 39 miles southeast of Knoxville. Its population was 3,944 at the 2010 Census, and 4,047 according to the 2012 Census estimate. It is a popular vacation resort, as it rests on the border of the Great Smoky Mountains National Park along U.S. Route 441, which connects it to Cherokee, North Carolina, through the national park.
According to the United States Census Bureau, the city has a total area of 10.1 square miles (26 km2), all land.
Gatlinburg is hemmed in on all sides by high ridges, with the Le Conte and Sugarland Mountain massifs rising to the south, Cove Mountain to the west, Big Ridge to the northeast, and Grapeyard Ridge to the east. The main watershed is the West Fork of the Little Pigeon River, which flows from its source on the slopes of Mount Collins to its junction with the Little Pigeon at Sevierville.
U.S. Route 441 is the main traffic artery in Gatlinburg, running through the center of town from north to south. Along 441, Pigeon Forge is approximately 6 miles (9.7 km) to the north, and the Great Smoky Mountains National Park (viz, the Sugarlands) is approximately 2 miles (3.2 km) to the south. TN-73 (Little River Road) forks off from 441 in the Sugarlands and heads west for roughly 25 miles (40 km), connecting the Gatlinburg area with Townsend and Blount County. U.S. Route 321 enters Gatlinburg from Pigeon Forge and Wears Valley to the north before turning east, connecting Gatlinburg with Newport and Cosby