Annual Nyssa Thunderegg Days & Festival

Nyssa Thunderegg Days & Festival is an annual event held the second week of July which celebrates one very special rock…the thunderegg. Oregon’s state rock, thundereggs are spherical masses of rock that are nondescript and knobby on the outside, but full of colorful and exquisite designs inside.

The festival is a family-friendly event complete with live music, a car show, kid’s activities, a quilt show, and more. Of course, gem vendors and local artists are on site, as well as many rock aficionados.

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