Dāndōng

The lower Yalu flows between Liaodong and Korea before reaching the Yellow Sea. Its banks formed a frontier crossed by envoys and merchants as well as armies. Across the river, Ŭiju became an important centre of exchange with China. In 1593, during the Japanese invasion of Korea, a market was opened at Chunggang opposite Ŭiju for trade with the Ming. The river's course links the wooded hills inland with the coastal plain.