This campground is approximately eight miles north of Birchwood.  Sawmill Lake campground is a secluded campground within a County Forest Primitive area.  It is surrounded by many small kettle moraine glacial lakes, which are connected by a canoe portage system.  The campground has 25 campsites with picnic tables and fire rings.  No electricity is available.  Facilities include a dock, open-air shelter, vault toilets, and hand pumps for water.  A boat launch is located on Sawmill Lake, although motors are not allowed on this lake.