Gps: 2711 Old Lost Mountain Rd, Powder Springs, Ga 30127 From I-20 Exit 44 Toward Austell/Thornton Rd Onto Ga-6 N (Thornton Rd) For 8.9 Miles Then Right On Richard D. Sailors Pkwy .7 Miles Then Left On Old Lost Mountain Rd For 1.5 Miles And Wimberly Is On The Left. From I-75 N: Exit 260 – West On Windy Hill Rd. Follow Windy Hill Road And Windy Hill/Macland For 13 Miles Then Left New Macland Then Right On Brand Rd And Left On Old Lost Mountain Rd. Wimberly Is ¼ Mile On The Left.