I-85 North, Take Exit 113 On Left To Merge Onto I-985 N Toward Gainesville, Lanier Pkwy. Take Exit 8 Onto Friendship Rd, Sr-347 Toward Lake Lanier. Turn Right Onto Friendship Rd. Turn Right Onto N Puckett Rd. Turn Left Onto Old Thompson Mill Rd. Arrive At Hosch Reserve. Gps Address: 3105 Old Thompson Mill Rd (Use Apple Maps Or Waze).