Walnut Valley Branch is a stream in Oregon County in the Ozarks of southern Missouri.

The stream headwaters are at and its confluence with Mill Creek is at . The source area for the stream lies about 5.5 miles west of Alton. The stream flows generally north passing under U.S. Route 160 and through an area of deeply incised meanders prior to entering Mill Creek.Alton, Missouri (1983); Piedmont, Missouri (1997); Rover, Missouri (1986); and Thomasville, Missouri (1997); 7.5 Minute Topographic Quadrangles, USGS

A variant name was "Walnut Branch". The stream was so named on account of walnut trees near its course.

See also List of rivers of Missouri

References