Festival · Exhibition

Thunderegg Days

Annual rock and mineral festival in Nyssa, Oregon.

Thu, 9 Jul 2026 – Sat, 11 Jul 2026 9:00 AM – 9:00 PM (America/Boise) Nyssa Elementary School Nyssa , Oregon
Thunderegg Days is a beloved annual tradition in Nyssa, Oregon, celebrating the region's unique geological treasures. Held at the Nyssa Elementary School, this three-day festival features rock and mineral displays, vendors, and community activities for all ages. Visitors can explore the fascinating world of geology, browse unique specimens, and enjoy the vibrant local atmosphere. It is a must-attend event for rock hounds and families looking for a fun, educational summer experience in Oregon.

What to Expect

A lively festival atmosphere with various rock-related exhibits and community vendors.

Who Should Attend

  • Rock collectors
  • Geology enthusiasts
  • Families
  • Local residents
  • Tourists

Agenda Overview

The event runs daily from 9:00 AM to 9:00 PM, July 9-11, 2026.
Venue & Address
Nyssa Elementary School
809 Bower Ave
Nyssa , Oregon – 97913
United States
Organizer
Nyssa Chamber of Commerce & Agriculture · Organization
Local chamber promoting community events and business.

Frequently Asked Questions

What are the dates?
July 9-11, 2026.
Where is it held?
Nyssa Elementary School, 809 Bower Ave, Nyssa, OR.
Is there an admission fee?
Please check the official event page for ticket or entry details.
What can I see there?
Rock and mineral displays, vendor booths, and more.
Is it family-friendly?
Yes, it is a great event for all ages.
How can I become a vendor?
Contact the Nyssa Chamber of Commerce for vendor information.
Tags
Festival Rocks Minerals Nyssa Oregon Summer
Summary
A three-day rock and mineral festival held in Nyssa, Oregon.
Highlights
  • Rock and mineral exhibits
  • Local vendor market
  • Educational displays
  • Family-friendly activities
  • Community celebration
  • Annual tradition
Something wrong?
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