Lakeside Festival is one of the largest and longest-running summer festivals in McHenry County. Held on the beautiful grounds of the historic Dole Mansion and Lakeside Arts Park over Independence Day weekend, Lakeside Festival features thrilling carnival rides and midway games, amazing live music, delicious food and beverages from local vendors, tours of the Dole Mansion, family-friendly activities for children, picnic tables and space to gather with friends and family, and much more!