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
Allamuchy Mountain State Park Mountain land became part of Allamuchy Mountain State Park. Tranquillity Farms, on the other side of the highway, remains a privately operated commercial farm. Locally, the ruins of the Rutherfurd-Stuyvesant Estate have become known as "Profanity House" because many of the buildings and ruins have been vandalized and covered in explicit and sexually graphic graffiti. In recent years, the estate has suffered from arson damage. Allamuchy Mountain State Park Allamuchy Mountain State Park is located in Byram Township, New Jersey in the Allamuchy Mountain region. The park is operated and maintained by the New Jersey Division of Parks and Forestry.