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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, Ellensburgโ€™s first mayor, found a set of stones and sent them to jewelers in Seattle to be set into rings for his wife โ€“ and over 100 years later, the beautiful stones continue to fascinate seekers from all across the world.

More to Explore at the Museum

KCHS Annual Meeting

December 16, 2026, 5 PM - 6 PM

The Kittitas County Historical Society, Inc. will host its Annual Meeting on Wednesday, December 16th from 5pm to 6pm at the Kittitas County Historical Museum in historic Downtown Ellensburg.

Ellensburg Historic Preservation Awards

May 2, 2026, 4 PM - 6 PM

Join the City of Ellensburg Landmarks & Design Commission and the Kittitas County Historical Museum for an ๐š๐Ÿ๐ญ๐ž๐ซ๐ง๐จ๐จ๐ง ๐จ๐ฉ๐ž๐ง ๐ก๐จ๐ฎ๐ฌ๐ž ๐š๐ง๐ ๐š๐ฐ๐š๐ซ๐๐ฌ ๐œ๐ž๐ฅ๐ž๐›๐ซ๐š๐ญ๐ข๐จ๐ง honoring local preservation, restoration, and the people who help care for Ellensburgโ€™s historic places.

No Beading Beauties โ€” Monthly Beadwork Circle

August 24, 2026

๐Ÿชถ There is no Beading Beauties for the month of August.ย 

We’ll see you in September!