Black Bear Plunge Tuesday, Jan 1, 2013 10 AM to 11 AM This event has already occurred.   (Archived) See how brave you are as we race and plunge into Fort Mountain's cold mountain lake. Start a great New Year's tradition with us. Register in advanced. $20-$25 plus $5 parking. 706-422-1932. Location: Fort Mountain State Park 181 Fort Mountain Park Rd Chatsworth, GA 30705 Directions: GPS Coordinates: N 34.7613010 | W -84.702702 Located 8 miles east of Chatsworth via Ga. Hwy. 52 (take I-75 exit #333 toward Ga. Hwy. 411). Fort Mountain State Park 181 Fort Mountain Park Rd Chatsworth, GA 30705