About Boo at the Zoo

Visit the Washington Park Zoo for our annual Halloween event, Boo at the Zoo! Kids can stroll the decorated Zoo in costume and collect yummy treats. Two trick or treating sessions are available and advance tickets are recommended due to limited supply. Session 1: 11:30am-1:30pm, zoo closes at 2pm; Session 2: 3:30-5:30pm, zoo closes at 6pm