From I-285 North Toward Chattanooga, Take Exit 20 For Us-41 North/Cobb Parkway Toward Marietta. Use The Right Two Lanes To Turn Right Onto Us-41 North/Cobb Parkway. After About 5 Miles, Turn Left Onto Sandy Plains Road And Continue For About 1 Mile. Finally, Turn Right Onto North Mountain Road Ne, And Your Destination, 4223 N Mountain Road Ne, Will Be On The Left.