Stone Mountain, Georgia Stone Mountain, Georgia Stone Mountain is a city in DeKalb County, Georgia, United States. The population was 6,368 according to the 2017 US Census estimate. Stone Mountain is located in the eastern part of DeKalb County and is a suburb of Atlanta that encompasses nearly 1.7 square miles. It lies near and touches the western base of the geological formation Stone Mountain. Locals often refer to the city as Stone Mountain Village to distinguish it from the larger unincorporated area traditionally considered "Stone Mountain" and Stone Mountain Park. The history of Stone Mountain began long before white European settlers and
Standing Stone State Park of hiking trails are maintained in the park and forest. The most popular trail is the Lake Trail, which descends from the visitor center to Standing Stone Dam and parallels most of the north shore of the lake before reascending to the cabin area. The most substantial trail is the Cooper Mountain Loop Trail, which circles through several miles of the state forest on the slopes of Cooper Mountain before reentering the state park near Overton Lodge. The National Rolley Hole Marbles Championship is held every September at Standing Stone State Park. Rolley hole is a type of marbles game