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Warren County is part of the St. Louis, MO-IL Metropolitan Statistical Area. The county is traversed by Route 94, called the "Missouri Weinstrasse" because of the many vineyards from Marthasville east intoSt. Charles County. Warren County is also part of the Missouri Rhineland, with award-winning wineries located on both sides of the Missouri River.

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Updated: 17th November, 2018 6:58 PM.