Valles Mines is an unincorporated community in southern Jefferson County, Missouri, United States.[1] It is located approximately seven miles south of De Soto. It is located on Missouri Route V less than one mile west of U.S. Route 67. Joachim Creek flows past the north side of the community.[2] The ZIP Code for Valles Mines is 63087.[3]
A post office called Valles Mines was established in 1826.[4] The community is named after François Vallé, who established lead mines there in the 18th century.[5][6]