Originally Posted by
Slugg
You might consider using the trails around Vogel State Park and the Blood Mountain Wilderness to form a loop or loop(s) with the AT. Whatever route you pick is gonna be pretty steep though.
Another idea that might fit the bill is Fort Mountain State Park, look into backcountry reservations. Less strenuous than Blood Mountain area but still some climbing.
You might also consider F.D.R. State Park south of Atlanta. Though not at scenic as the North GA mountains, F.D.R. has some scenic overlooks and is a great place to introduce a beginner to backpacking. And the terrain is mild compared to my other two suggestions.