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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

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.