From I-85 South (Coming From Atlanta Or North Georgia): Take I-85 S Toward Columbus. Take Exit 237A For Ga-85 S Toward Riverdale/Jonesboro. Continue On Ga-85 S For Approximately 10 Miles. Turn Left Onto Mcdonough Rd And Drive For 3.5 Miles. Turn Left Onto Noah's Ark Rd And Continue For 1 Mile.