State Route 339 (SR 339) is a 3.5-mile-long (5.6 km) state highway completely within Towns County near Young Harris, Georgia, in the North Georgia mountains, just south of the North Carolina state line.

SR 339 travels in an east-northeast direction until it meets its eastern terminus, an intersection with SR 17/SR 515 approximately 1,000 feet (300 m) south of the state line.

The appropriately named Crooked Creek Road includes a number of sharp curves and turns along its length.

[1] SR 339 is not part of the National Highway System, a system of roadways important to the nation's economy, defense, and mobility.

[citation needed] The entire route is in Towns County.