The Portland Regional Gem and Mineral Show returns October 2–4, 2026 at the Wingspan Event & Conference Center in Hillsboro. This annual event brings together local clubs, volunteers, families, and rockhounds for a weekend celebrating the natural beauty found right here in our region.
Visitors can explore more than seventy displays, meet over forty dealers, and enjoy hands‑on activities for all ages. From the fossil discovery area and activities for the kids to educational presentations, the show is built by community members who love sharing geology, mineralogy, and lapidary arts with others.
October 2–4, 2026 Friday and Saturday 10–6, Sunday 10–5
Wingspan Event & Conference Center - 801 NE 34th Ave, Hillsboro, OR 97124
$7 weekend pass | Kids 12 and under free
Event venue
Wingspan Event & Conference Center, 801 NE 34th Ave, Hillsboro, OR 97124, United States
Concerts, fests, parties, meetups — all the happenings, one place.