Abbeville County is bounded as follows: on the southwest by the Savannah River, by which it is separated from Georgia; on the northwest by Anderson County, from which it is separated by a line (the old Indian boundary) drawn from a marked black gum, on the east bank of the Savannah River, at the foot of Grape Shoals, N. 50? E. to a willow oak, marked "A. & P.," on the south side of Saluda River; on the northeast by Laurens County, from which it is separated by the Saluda River, and by Greenwood County; and on the southeast by McCormick County.