I-75/I-85 N From S Atlanta Take Exit 251B For I-85 N Toward Ga-400/Greenville Use Right 2 Lanes To Exit 87 Ga-400 N (Us-19 N) Toward Buckhead/Cumming Stay On Ga-400 N For Approx 20-25 Miles Take The Ga-20 E Exit Toward Buford Slight Right To Merge Onto Ga-20 E/State Hwy 20 E/Buford Hwy. Continue On Ga-20E/Buford Hwy For Approx 3.9 Miles Take A Left On River Club Drive Continue For Approx 1.5 Miles. Turn Right On Northfield Lane, Property If On Your Left.