He predicted that the KPA withdrawal would continue on to the north along the axes of two rail and highway routes, the first bending to the right and leading northeast from Sinanju and Anju on the Ch'ongch'on through Huich'on to Kanggye deep in the rugged mountains of central North Korea, 22 miles from the Yalu River; and the second, the west coastal route, bending left and running northwest from the Ch'ongch'on River to Sinuiju near the mouth of the Yalu River at the Manchurian border.