Chastain Village Direction: I-485 To Exit 61-Johnston Road/Hwy. 521. Travel South Approximately 11.6 Miles To A Left On Shelley Mullis Road. Community Is Down Approximately 3 Miles On The Right. Walnut Creek Direction: I-485 To Exit 61-Johnston Road/Hwy. 521. Travel South Approximately 8.6 Miles To A Left On Jim Wilson Road. Travel 2.8 Miles And Turn Right Onto Cortland Drive.