Oconee County Openland with a Large Creek!! The Greenbrier Creek Tract is located in southern Oconee County. The property fronts on Hale Rd and Greenbrier Creek forms the western boundary of the property. The majority of the property is openland. The timber areas consist of 32 year old pines in addition to the mature hardwoods along the creeks. Come enjoy the peace and quiet of the country!