Brookfield Zoo is located at First Avenue between Ogden Avenue and 31st Street in Brookfield, Illinois, just 14 miles west of downtown Chicago. There are exits to First Avenue from the Eisenhower Expressway
(I-290) and from the Stevenson Expressway (I-55). Signs on First Avenue will direct you to the zoo's main entrance and zoo parkingor you can just follow the lion's roar.