Halloween Events 2024 Oregon City. Halloween is the prime time to check out portland’s many mysterious spots, paranormal. Celebrate the harvest season with a unique fall experience at the annual colonial harvest days.

Trunk or treat is hosted at 18433 s holly ln, oregon city, or 97045. 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.