Buck Mountain is a summit in southern St. Francois County, Missouri, St. Francois County in the U.S. state of Missouri. Buck Mountain has an elevation of . The mountain lies east of Missouri Route V about six miles northeast of Pilot Knob, Missouri, Pilot Knob and about six miles southwest of Doe Run, Missouri, Doe Run. Buck Mountain was so named on account of deer in the area.

References

Mountains of St. Francois County, Missouri Mountains of Missouri {{StFrancoisCountyMO-geo-stub