Portland Regional Gem and Mineral Show

When

Oct. 2–4, 2026

Daily, Times vary

Cost: Starting at $7.00

Where

Wingspan Event and Conference Center at the Westside Commons

801 Northeast 34th Avenue Hillsboro, OR, 97124US

The following description was submitted by the event organizer.

The Portland Regional Gem and Mineral Show, the largest local rock and mineral show in the Portland metro area, is presented each year by five regional non-profit clubs to promote lapidary arts, geology, paleontology, and mineralogy. Visit the show to learn from a variety of great exhibits and demonstrations. Come celebrate the natural beauty found right here in this region. 

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• 40+ dealers offering rocks, minerals, fossils, jewelry, beads, faceted gems, and lapidary supplies
• Door prizes, raffles, and silent auctions are happening all weekend long
• Presentations for adults and children throughout the weekend, covering geology, fossils, minerals, and lapidary arts
• Family‑friendly activities like the Kids Corner with games and prizes
• An interactive fossil area to look at fossils and ask questions