Trick-or-treat events · Portland
Oregon Zoo Howloween

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