George H. Crosby Manitou State Park is located in the state of Minnesota, not Illinois. It is a wilderness park that covers over 6,000 acres and features lakes, streams, forests, and rocky terrain. The park is a popular destination for outdoor enthusiasts who enjoy hiking, camping, fishing, and canoeing.

One of the main attractions of the park is the Manitou River, which flows through the center of the park and offers opportunities for fishing and canoeing. The park also features several hiking trails, including the Superior Hiking Trail, which offers stunning views of Lake Superior and the surrounding wilderness.

Visitors can also explore the park's rocky terrain, which is home to a variety of wildlife, including moose, black bears, and wolves. The park's forests are also home to a variety of bird species, making it a popular destination for birdwatchers.

The best time to visit George H. Crosby Manitou State Park is during the summer months, when the weather is warm and the park is open for camping and other outdoor activities. However, the park is also beautiful in the fall, when the leaves change colors and the park is less crowded.

Overall, George H. Crosby Manitou State Park is an excellent destination for anyone who loves the outdoors and wants to explore Minnesota's wilderness.