Trick-or-treat events · Portland

Oregon Zoo Howloween

Halloween candy · Category illustration; this event not pictured · Evan-Amos · Public domain (PD-self) · Resized/cropped for display

Costumes, entertainment and three trick-or-treat zones. The $5 add-on includes a train or carousel ride; buy admission and passes in advance. Best suited to ages 2–10.

When: Oct 17, 18, 24 & 25
Hours: 9:30am–4:30pm
Cost: Zoo admission + $5 Treat and Ride Pass
Checked: October 4, 2026, against the organizer’s website

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Weather, prices and schedules can change. Confirm with the organizer before leaving. No visitor ratings have been collected for this listing.