 The West Fork of Stones River flows northward from its source in the hills around Rock Springs, passes through Murfreesboro and Stones River National Battlefield, and merges with the East Fork of Stones River near Smyrna.The East Fork flows westward from its source atop Short Mountain, at the edge of the Highland Rim, and passes north of Murfreesboro.The confluence of these two rivers forms Stones River proper, and marks the southern extreme of J. Percy Priest Lake.