flows NE to Upikchak Creek, 46 mi. NNW of Misheguk Mtn., Arctic Slope.
Named by U.S. Geological Survey (USGS) geologists "in 1950 because of its location near the west end of the plunging anticline" (Chapman and Sable, 1960, p. 54).
Adventure Creek, Nimwutik Creek, Pattern Creek, Plunge Creek, Plunge Creek, Tupikchak Creek,