Mountain City is an incorporated town in Rabun County, Georgia, United States.

The town straddles the Eastern Continental Divide in a deep gap in the Blue Ridge Mountain front.

The gap allows U.S. Route 441 to cross the range at an elevation of 2168 feet without the significant grade required by roadways at most other mountain passes along the Georgia Blue Ridge.

The Georgia General Assembly incorporated Mountain City as a town in 1907.

Mountain City has an Oceanic characteristics due to its high elevation.