Supung so͞o´po͝ong [key], dam on the Yalu River, on the border between North Korea and Liaoning prov., NE China. One of the largest dams in Asia (525 ft/160 m high and 2,800 ft/853 m long), it was built by the Japanese occupation forces in 1941. Its enormous supply of hydroelectric power is now shared by nearby North Korean and Chinese industrial areas.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: East Asian Physical Geography