Stone Mountain Freeway Stone Mountain Freeway Stone Mountain Freeway is a freeway in the north-central part of the U.S. state of Georgia. It connects Interstate 285 (I-285) east of Atlanta, with the suburbs of Stone Mountain and Snellville before transitioning into an arterial road that continues to Athens. The freeway is signed as U.S. Route 78 (US 78) for its entire length, with the western half signed as State Route 410 (SR 410), and the eastern half also being signed as SR 10. It begins at the US 29/US 78 split northeast of Decatur, and continues east through eastern DeKalb and southern Gwinnett
Bear Mountain State Park park. In 2010, sections of the AT within the park were rebuilt by the New York - New Jersey Trail Conference, with stone steps to handle the 500,000 annual hikers. The Manhattan skyline can be seen from the top of Bear Mountain from about away. Bear Mountain also regularly hosts cross country running events during the fall season. High school cross country teams compete on the course, which mostly consists of paved walkways. Bear Mountain is the location for the County's Championship race as well as the Rockland County Alumni Race, run every year since 1983. Bear Mountain State Park