It thus passed just east of Lake Drisviaty, crossed the Disna River at Koziany, then ran through Postavy and just east of Lake Narotch, crossed the Viliya River and the Vilna-Minsk railroad at Smorgon, and reached the Niemen at Lubcha. From thence it passed by the towns of Korelitchy, Zirin, Luchowtchy and entered the Pripet Marshes at Lipsk.