Fredericktown is a small town located in Knox County, Ohio. The town experiences a humid continental climate with warm summers and cold winters. The town is situated in a region with a high water table, making it susceptible to flooding. The Kokosing River flows through the town and provides opportunities for fishing and boating. The Knox Lake Wildlife Area, located just a few miles outside of town, offers hiking trails, bird watching, and hunting opportunities. The Kokosing Gap Trail, a 14-mile trail that runs from Mount Vernon to Danville, is popular among bikers, joggers, and walkers. Additionally, the town has several parks, including Memorial Park and Forest, which offers playgrounds, picnic areas, and trails.