Harrisville State Park is located on the northeastern coast of Michigan's Lower Peninsula, on the shores of Lake Huron. It is a beautiful and serene spot, with plenty of natural beauty and outdoor activities to enjoy. Here are some of the best reasons to visit Harrisville State Park:

1. Beaches: Harrisville State Park boasts a beautiful sandy beach that stretches for over a mile along the shores of Lake Huron. The water is clear and cool, making it a great spot for swimming, sunbathing, and picnicking.

2. Hiking: There are several hiking trails within the park, including the Scenic Trail, which offers great views of the lake and surrounding wooded areas.

3. Fishing: Lake Huron is home to a variety of fish species, including trout, salmon, and walleye, making it a popular spot for anglers.

4. Camping: The park has a large campground with over 200 sites, including some that are right on the beach. There are also cabins and yurts available for rent.

5. Historic Lighthouse: The Harrisville State Park Lighthouse is a historic structure that dates back to the late 1800s. It is open for tours during the summer months.

Interesting facts about the area include the fact that Harrisville was once a major shipping port for lumber and agricultural products, and that it was named after one of its founders, Norman Harris. The best time of year to visit Harrisville State Park is during the summer months, when the weather is warm and the park is most active. However, the fall foliage in the area is also a beautiful sight to see.