Wisconsin Best Skiing Conditions in the Midwest Nestled on the northern slopes of the Root River Valley, Crystal Ridge offers 110 acres of winter fun. Crystal Ridge also offers some of the best skiing conditions in the Midwest by combining state of the art snowmaking equipment and modern grooming equipment, ensuring 100 percent coverage throughout the season. You'll find fun for the whole family here. Lessons are available for kids, teens and adults. Crystal Ridge is located just 12 minutes from downtown Milwaukee and 70 minutes from O'Hare International Airport.