- This event has passed.
October 1, 2021 @ 8:00 am - October 3, 2021 @ 5:00 pm
$7
The Portland Regional Gem & Mineral Show, the largest rock and mineral show in the Portland metro area, is presented each year by 5 regional non-profit clubs to promote lapidary arts, geology, paleontology, and mineralogy. Come visit our show to to learn from our variety of great exhibits and demonstrations!