Rockhounding is an ever growing recreational activity in our area. Come learn the who, what, where, when & why! FREE AS ALWAYS! Children will get a free specimen!
Registration Required October is the Great Washington Shake Out! Come learn the mechanisms of these shaky wonders of world; AND a hands-on experiment! FREE as always. THANK YOU 4 Culture and Doors Open King County.
Join us for a "haunting" tour of the historic Black Diamond Cemetery! 1pm to 2 pm. Free event.
The Kummer Bridge was built in 1932-33. Bill Kombol will present its history, which should be fun given what is happening with bridges right now! Officially known as the Dan Evans, most locals still call it "The Kummer."
Coal mining started here in Black Diamond in 1882, but Washington coal mining will end in December with the closure of the Centralia plant. Come and learn about and honor this unique history.
Join us for a musical and photographic presentation telling the unique history of Black Diamond. FREE with gratitude to 4Culture and Doors Open of King County.
We are closed to allow our volunteers to be with their families and enjoy the Thanksgiving holiday. See us again on November 29th, open from 9 am to 3 pm.
Come join us for a community meeting to discuss recognizing these 11 historic Ravensdale houses with an honorary designation as a Community Landmark District. 6 PM Park Maintenance Building
We will be closed for a winter break from December 15, 2025, through January 7, 2026. We will reopen on Thursday, January 8, 2026. You can contact us during this time 360-886-2142; or email to museum@blackdiamondmuseum.org. Thank you!
1-2 pm. Join geologist Zach Pratt to learn about the unique geology of our area and how coal played a big part in our history. FREE as always. Thanks to 4Culture and Doors Open-King County.
