Join us for the 2025 Rock & Gem Rendezvous
at Tenino’s Oregon Trail Days!
Open hours
- Friday: 9 a.m. to 6 p.m.
- Saturday: 9 a.m. to 6 p.m.
- Sunday: 9 a.m. to 5 p.m.
Free Admission!
- Flint knapping demo
- Kids’ activities
- Rock and gem vendors
- Raffle drawing



Formed in 1937, Washington Agate and Mineral Society (WAMS) of Olympia is the oldest rock club in Washington. The club is recognized as a non-profit, tax-exempt organization 501(C)(3). WAMS-Olympia is affiliated with the Washington State Mineral Council and the Northwest Federation of Mineralogical Societies. Membership in WAMS-Olympia is open to anyone with an interest in rocks, and lapidary arts
News and Announcements
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Local Olympia students get their hands on rocks and learn about Earth Science from WAMS Olympia club member
On January 14th, about three dozen students in K-5th grade classes at the Olympia Community School got hands-on lessons on how soils are formed and the secrets that may be unlocked with a little bit of careful observation and training. They also got experience in identifying different types… Read more!
Accepting Donations
WAMS accepts donations of rocks and rock collections! Do you have piles, buckets, or boxes of rocks? Agates, petrified wood, thunder eggs, crystals, obsidian, fossils, jasper or rock cutting, polishing equipment and supplies? Do you want to downsize? Maybe we can help! We will also buy specimens, collections, and bulk quantities.
WAMS is recognized as a non-profit, tax-exempt organization 501(C)(3). Donations help support our mission of teaching Earth Sciences through public programs, outreach, and youth education.