Eugene Oregon Downtown Halloween 2024 Events. The celebration of the creepiest day of the year extends into every weekend in october, starting with the lighting of the great pumpkin in the city plaza. Street carnivals, ghost tours, family friendly events, spooky costume parties, pub crawls, eerie eugene attractions, halloween.

 — the free halloween parade begins at 6:30 p.m. The celebration of the creepiest day of the year extends into every weekend in october, starting with the lighting of the great pumpkin in the city plaza.