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Details

Ages

All Ages

Location

114 E 3rd Ave, Ellensburg, WA 98926

Ellensburg Blue Agate

Permanent Exhibits

Over 50 samples of Ellensburg Blue Agate are featured in the ongoing Rock and Mineral display, which is the largest collection held by a museum. These beautiful stones range in size, style, and vary from being raw to polished.

The first record of Ellensburg Blue Agates was in March 1905 when Austin Mires, Ellensburg’s first mayor, found a set of stones and sent them to jewelers in Seattle to be set into rings for his wife – and over 100 years later, the beautiful stones continue to fascinate seekers from all across the world.

More to Explore at the Museum

First Friday Art Walk

August 7, 2026, 5 PM - 7 PM

Join us to experience and explore the history, heritage, and culture of Kittitas County.

Great Ellensburg Fire

Permanent Exhibit

This exhibit takes a look at the various causes of the fire, and the possible motives behind each. It features newspaper clippings, historic photographs, and even a clock that survived the fire.

Museum Store Sunday

November 29, 2026, 10 AM - 4 PM

On Sunday, November 29, 2026, the Kittitas County Historical Museum in historic Downtown Ellensburg invites shoppers to participate in Museum Store Sunday, an annual holiday shopping day supporting cultural institutions and their stores.