15 miles on the shore of Lake Michigan make up this National Park. Birding, relaxing, hiking, and soaking in the view of bird filled weltlands, praries full of wildflowers, and over 50 miles of trails over the dunes await. For fee info see here: https://www.nps.gov/indu/planyourvisit/fees.htm Visitor Centers have different hours, but all public use areas are open from 6:00 am to 11:00 pm. For Visitor Center hours see here: https://www.nps.gov/indu/planyourvisit/hours.htm