Flows NE to the Kuna iver 18 mi upstream form its mouth, 15 mi. SE of Liberator Lake, Arctic Slope.
Named in 1949 by I. L. Tailleur, U.S. Geological Survey (USGS), for nearby Swayback Mtn.; a name originally applied to a hill on the left bank of this stream at 684300N1575600W. See Swayback Mountain.