Bay Furnace is a rustic campground located in Christmas, couple miles west of Munising in the UP. Campground has a few campsites with great views of Lake Superior/Grand Island, and plenty of nice sites within the forest. Very quiet and well kept campground and there are numerous nice non-reservable sites as well.
My site #10 (2017)......
My recommended campsites: #9, #12, #10 (slides on one side only), #46, #14, #4, #15, #16, #37, #6. Many others are nice as well.
Bob