The 45th Show of Gems, Minerals, and Fossils is rolling into Hillsboro this October 2–4, 2026, and it’s shaping up to be a dazzling weekend of discovery. Hosted by the Portland Regional Gem & Mineral Show Association, this annual celebration brings together 40+ dealers, presenters, and exhibitors showcasing nature’s most stunning creations.
What’s in store:
- Fossil discovery area for curious minds
- Kids’ activities with games and prizes
- Door prizes, a silent auction, and live demonstrations
- Expert talks and competition displays
Admission: $7 weekend pass | Kids 12 & under FREE