$17.95, $15.95 (ages 65+ and military with ID), $12.95 (ages 3-11). Second Tues. of the month $5. Phone for train fare. Bus or light rail riders receive $1.50 off regular zoo admission.
Daily 9:30-6 (grounds open until 7), Memorial Day-Labor Day; 9:30-4 (grounds open until 5), rest of year. Trains operate daily Memorial Day-Labor Day and during the ZooLights winter festival. Closed Christmas. Allow 3 hours minimum.