PATH's recent press release
notes that the South Peachtree Creek Trail is being extended across North Druid Hills Rd. This new construction is marked as "A" in the map to the left. Additional details about the South Peachtree Creek PATH extension are available here
When complete, this "extension will connect with the South Peachtree Creek Trail at the Mason Mill Tennis Center parking lot thereby providing seamless walks and rides between Leafmore and Medlock Park.