The South Fourche La Fave River is a stream in the Ouachita Mountains of Perry and Yell counties of Arkansas. It is a tributary of the Fourche La Fave River.

The headwaters arise southwest of the Allen Peak Lookout Tower (at ) and the stream flows east-northeast. It flows under Arkansas Highway 27 just south of Onyx and then parallel to Arkansas Highway 314 past Steve and Hollis. It passes under Arkansas Route 7 and flows north and east to its confluence with the Fourche La Fave River east of Nimrod (at ).Onyx, Arkansas 1968 (1977 rev); Steve, Arkansas 1968 (1970 rev); Nimrod SW, Arkansas 1968 (1979 rev); and Nimrod, Arkansas 1968 (1977 rev); 7.5 Minute Topographic Quadrangles, USGS

The South Fourche LaFave River has a mean annual discharge of per second, according to statistics from the USGS station at Hollis.USGS Water data

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