Wooded Lot in Pine Mountain, Georgia. Piedmont Lake is an established community built around 212 acre Piedmont Lake, just 8 miles from the charming town of Pine Mountain and two miles from Exit 30 of I-185, making this Harris County location an easy drive to Atlanta's Hartsfield-Jackson to the North, Columbus and Ft. Benning to the South and West Point, Opelika and Auburn to the West. Enjoy fishing, swimming and tennis in the community recreation area! Well maintained community property with private roads and gated entrance.