Big Fork Creek is a stream in eastern Polk County, Arkansas.
It is a tributary of the Ouachita River.
[1] The stream headwaters arise at 34°26′57.39″N 94°01′31.72″W / 34.4492750°N 94.0254778°W / 34.4492750; -94.0254778 on the north slope of Missouri Mountains ridge in the Ouachita National Forest.
[2] The stream flows east then turns north and crosses under Arkansas Route 8 near Abernathy Springs.
It flows generally north passing Big Fork and Opal to its confluence with the Ouachita River one mile south of the community of Cherry Hill.