 The river's headwaters begin on the knob edges of the Pennyroyal Plateau near Parksville, Kentucky and the Parksville Knob, flow in parallel with the Salt River proper through the hilly Eden Shale belt and ending at the Beech Fork of the Salt River near the town of Chaplin.The river flows through the counties of Washington, Mercer, and Boyle.The river flows through the middle of Perryville, the site of an 1862 American Civil War battle.