Charles Mill Lake in Ohio is a popular fishing spot that offers a wide range of fish species, including catfish, crappie, bass, and bluegill. Visitors can also enjoy hiking, camping, boating, and swimming in the nearby state park. A top fishing tip for this area is to fish in the early morning or late evening when the fish are most active. The best time of year to visit is from May to October, with average temperatures ranging from 60-80°F. Overall, Charles Mill Lake is a great destination for fishing enthusiasts and outdoor enthusiasts looking for a scenic and relaxing getaway.