Atlanta
There are two entrances to the Vickery Creek Trail Complex that have parking available, one on Riverside Road, which parallels the Chattahoochee River and the other directly on South Atlanta St. (Highway 9).
Directions to Riverside Rd parking:
From the south:Take GA 400 to Northridge (Exit 6). At the end of the exit ramp, turn right on Northridge Rd. and travel .5 miles to GA. Highway 9, known locally as Roswell Road. Turn right and travel 2.7 miles. Just across the Chattahoochee River Bridge is a light. Turn right on Riverside Road, then make an immediate left at the National Recreation Area sign. Caution:The short road to the parking lot is a single lane.
From the North: Take GA 400 to Holcomb Bridge Road (Exit 7). Turn right on Holcomb Bridge and travel 1.8 miles to Highway 9 (known locally as Alpharetta Highway). Turn left. South of Old Roswell the road becomes South Atlanta St. Just before the Chattahoochee River Bridge turn left on Riverside Road. Vickery Creek is on the left.
Topographic overview of the Vickery Creek area. 

Complete Trail guide
Vickery Creek Trail Complex
Vickery Creek Trail Complex maps and directions