Oregon Zoo – ZooLights The Oregon Zoo hosts ZooLights every year and it is a very popular community event as you can walk around to check out all of the lights, drink some hot chocolate, grab an elephant ear, and with an additional cost you can ride the train to see even more lights. ZooLights is open 5 to 9 p.m. each night. The event officially opened to the public on Nov. 29 and will continue to run through Sunday, Jan. 5. Value Nights will be on Dec. 9-12, which means th