Lost Creek is a stream in Washington County in the U.S. state of Missouri. It is a tributary of Cedar Creek.

The stream headwaters are in the southeastern corner of Washington County at and it flows west and then north passing under Missouri Route 32 to its confluence with Cedar Creek at approximately two miles northeast of Caledonia.Graniteville, MO, and Irondale, MO 7.5 Minute Topographic Quadrangles, USGS, 1968 and 1958

Lost Creek was named for the fact it is a losing stream or subterranean stream along parts of its course.

See also List of rivers of Missouri

References