Here are a couple of photos that I took when visiting this state park on the Upper Peninsula of MI - this is such a gorgeous area! Looks like they have good campgrounds here as well, but Sue would be the one to ask for sure.
IMG_2115 by Sandmaggie, on Flickr
IMG_2081 by Sandmaggie, on Flickr
IMG_2076 by Sandmaggie, on Flickr
IMG_2054 by Sandmaggie, on Flickr