Grand Lake St. Mary's State Park is a popular destination located in the state of Ohio. The park offers a range of outdoor activities, including hiking, fishing, boating, camping, and swimming. The park covers over 13,000 acres and is home to the largest inland lake in Ohio, which spans over 13,000 acres.

One of the main reasons to visit Grand Lake St. Mary's State Park is its scenic beauty. Visitors can enjoy stunning views of the lake, as well as the surrounding forests and wetlands. Additionally, the park is home to a variety of wildlife, including eagles, ospreys, and beavers.

There are several points of interest to see within the park, including the historic Miami-Erie Canal, which was once an important transportation route in the region. Visitors can also explore the park's many hiking trails, including the popular Lakeshore Trail, which offers stunning views of the lake.

Interesting facts about Grand Lake St. Mary's State Park include that it was created in the 19th century as a reservoir for the Miami and Erie Canal. Additionally, the park is home to a number of historic buildings and structures, including a canal lock and a lighthouse.

The best time of year to visit Grand Lake St. Mary's State Park depends on visitors' interests. Summer is a popular time to visit, as the weather is warm and the lake is ideal for swimming and boating. However, fall foliage makes for a picturesque hike and winter activities include ice fishing.