National Geographic Standard Gazette and Hydrological Surveys

• Yalu River — The official Korean name (Amnok-kang / Yalu) of the border river located on the natural frontier between China and North Korea. Having a length of approximately 790 kilometers, its watercourse originates from the sacred Paektu Mountain and empties into the Korea Bay, representing a point of major geopolitical, historical, and strategic importance in East Asia.