We're going up to to Green Lake, Green Lake Conference Center (http://www.glcc.org), 7,8 of October. Have been going there for 30 yearsin early October. Beautiful views, golf,tennis court.walks, etc. Many deer in area. Warm showers & restrooms. Call first to see if campground still open late October. No need for reservation this time of year.
either Harrington Beach State Park or Kohler Andre. Both on Lake Michigan. Harrington is east of Belguim, Kohler near Sheboygan. Beautiful walking trails and interesting scenery. Both have electric on some loops.