Grand Lake St Marys State Park is a beautiful recreational area located in the state of Ohio. It covers 13,500 acres and features a 13,500-acre lake with numerous opportunities for boating, fishing, and water sports.

The park is an excellent place to visit for those who love the outdoors and appreciate the natural beauty of Ohio. It is known for its diverse wildlife and excellent fishing opportunities, including catfish, bass, and bluegill. The lake is also home to numerous species of waterfowl, including ducks, geese, and swans, making it a popular spot for birdwatchers.

One of the most popular attractions at the park is the Neil Armstrong Air and Space Museum, which celebrates the life and achievements of the famous astronaut. Visitors can learn about Armstrong's life and career and explore interactive exhibits related to space exploration.

Other notable attractions at Grand Lake St Marys State Park include the 33-acre Prairie Habitat Restoration Area, which provides habitat for native wildlife, and the 4.5-mile Indian Lake State Park Trail, which offers a scenic hike through the park.

The best time to visit Grand Lake St Marys State Park depends on your interests. Summer is the most popular time to visit, as the weather is warm and there are numerous opportunities for swimming and boating. However, fall is also a beautiful time to visit, with the changing leaves providing a stunning backdrop for hiking and wildlife viewing.

Overall, Grand Lake St Marys State Park is a beautiful and diverse recreational area that offers something for everyone. Whether you're an avid angler, a nature lover, or a fan of space exploration, this park is definitely worth a visit.