35 campgrounds with first-come sites in Wisconsin

The list is thickest in Chequamegon-Nicolet NF. Most are run by the Forest Service. The list runs from 5 sites up to 99.

A campground is listed when Recreation.gov or the Forest Service records it as first-come, first-served. Campgrounds where some sites book online and the rest are first-come are listed too, marked partly reservable.