Shirley Clarke Franklin Park - Birth of Atlanta Lot 1660 Johnson Road Northwest Atlanta, GA 30318 The most beloved music festival in the southeast is back for its 21st year, with a two-day lineup in Atlanta's newest and largest park. Returning for its 21st year, with a move back to the open green spaces that the festival is known for, SweetWater 420 Fest is bringing a fantastic two-day lineup together with a new fan experience and accessible ticket price. Taking 420 Fest back to its roots by celebrating good music and good vibes in the great outdoors.