Piney Park or Piney Bluff Park is a community in Franklin County in the U.S. state of Missouri. The community is on Missouri Route K approximately four miles southeast of Saint Clair.Missouri Atlas & Gazetteer, DeLorme, 1st ed., 1998, p. 48
The site was established as a resort area on a bluff above the Meramec River.Franklin County Place Names, 1928-1945
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