Father Hennepin State Park is located in Isle, Minnesota, on the southeast shore of Mille Lacs Lake. The park offers a wide variety of recreational opportunities, including hiking, camping, fishing, swimming, and picnicking. One of the main attractions of the park is the Mille Lacs Kathio State Park, which is located adjacent to Father Hennepin State Park.

Visitors can enjoy hiking on the park's trails, which offer views of the lake, as well as access to the nearby towns of Onamia and Garrison. The park's campground offers both primitive and modern campsites, as well as group campsites and cabins.

One of the highlights of the park is the 100-foot observation tower, which provides a panoramic view of the lake and surrounding landscape. Other points of interest include the park's beach, picnic areas, and fishing pier.

Interesting facts about the area include its history as a trading and fishing hub for Native Americans, as well as its importance as a transportation hub for early settlers. The park was named after Father Louis Hennepin, a French explorer who discovered and named many of the area's landmarks.

The best time of year to visit Father Hennepin State Park is during the summer months, when visitors can enjoy swimming, boating, and other water activities in the lake. Fall is also a popular time to visit, as the changing leaves provide a picturesque backdrop for hiking and camping.