Harryween - Portland (21+) is a 21+ costume party at Holocene Portland in Portland, OR, on Thursday, October 29 starting at 9 PM. That's 2 days before Halloween. Costumes are part of the fun. Guests must be 21 or older. Portland has 93 other Halloween events within three days of this one.
Thursday, October 29 · 9 PM
UTC-07:00Holocene Portland | Portland, OR
Holocene Portland, 1001 SE Morrison St,Portland, Oregon, United States
It is on Thursday, October 29, 2026, starting at 9 PM, 2 days before Halloween.
It takes place at Holocene Portland, 1001 SE Morrison St,Portland, Oregon, United States.
Yes. The listing says guests must be 21 or older.
Yes, costumes are encouraged.
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