Hammel and Millgrove, Ohio
Hammel and Millgrove are extinct towns in western Warren County, Ohio, United States. The towns were located along the Little Miami River, about 2 miles south of Fort Ancient and 1 mile north of Roachester at the Strout Road crossing of the river. Hammel lies on the eastern shore of the river, in southwestern Washington Township, and Millgrove lies on the western shore of the river, in northeastern Salem Township. The GNIS considers Hammel to be a ghost town.