The New International Encyclopædia/Ya-lu-kiang
YA-LU-KIANG, yä′lōō′kyäng′. One of the most important rivers of Korea, where it is also known as the Amnok or Apnok (Map: Korea, G 3). It rises in the Paik-tu-san (8000 feet high), the highest of the Shan-a-lin or Chang-peh-shan system of Manchuria, latitude 41° 59′ N., and flows in a generally southwest direction into the Yellow Sea near the city of Wiju, forming in its course the northwest boundary of the country. It is navigable by sea-going junks for 30 miles from its mouth, and by smaller craft as far as Wi-wön, 145 miles farther up. In its upper course it is obstructed by some eighteen dangerous rapids, yet immense rafts of fine timber are annually floated down to the sea, chiefly for export to Northern China. Off the mouth of the Yalu a great naval battle between the Chinese and the Japanese was fought in 1894, resulting in the destruction of the Chinese fleet. See Korea.