Stone Mountain, Georgia a member of Main Street America. Stone Mountain is located at (33.805255, -84.171413), at the western base of the quartz monzonite dome monadnock of the same name. While Stone Mountain city proper is completely within DeKalb County, the postal regions designated, and traditionally considered as Stone Mountain include portions of DeKalb and Gwinnett Counties. According to the State of Georgia, the city has a total area of , of which 0.62% is water. According to 2017 US Census Bureau estimates , Stone Mountain has 6,368 residents, a 9.0% increase since 2010. There are 2,519 households with an average of 2.42
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.