Going to be in Door County for a fews days, any place/trails for atv's? I have heard that the answer is NO. Thanks for your time. Inlaws are renting a house for a week.
Kewaunee County south of Door County has an ATV park. You are contained in one area but it's ridin. http://www.kewauneeco.org/ looks like closed June 1 & 2 for a race.