Grand Lake St. Marys State Park is located in western Ohio and features a large, scenic lake that offers various recreational activities. The park is known for its fishing, boating, and swimming opportunities, making it a popular destination for outdoor enthusiasts. In addition to water activities, the park has numerous hiking trails and picnic areas, providing visitors with options for relaxation and exploration. The park is also home to diverse wildlife, making it a great spot for birdwatching and nature observation.