Old Fort is a census-designated place located in northern Pleasant Township, Seneca County, Ohio, United States; located about a mile east of Ohio State Route 53 where N. Township Rd. 73 intersects with E. County Rd.
Old Fort is a census-designated place in the northern part of Pleasant Township, Seneca County, Ohio, USA. It's located near Ohio State Route 53 and intersects with N. Township Road 73 and East County Road.