Rockhounding in King County, Washington

4 mapped rockhounding spots in King County. Most commonly produces amber, amethyst, calcite, gold.

Map showing 4 rockhounding spots in King County, Washington

Minerals reported in King County

Spots in King County

SpotMineralsCoordinatesAccess
Denny Mt.Denny Creek Trail47.4332, -121.4486Public
Hansen Creek Opal MineTinkham Road
    47.3912, -121.5307Paid / fee
    IssaquahWest Side Road47.4787, -121.9905Public
    Money CreekMoney Creek Road47.6995, -121.4678Public

    Other rockhounding counties in Washington

    King County FAQ

    Where can I rockhound in King County, Washington?+
    RockHoundR tracks 4 rockhounding spots in King County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
    What rocks and minerals are common in King County?+
    Spots in King County most often produce Amber, Amethyst, Calcite, Gold, Opal. Individual spots can vary widely.
    Are these King County rockhounding spots on public land?+
    Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.

    Plan a King County rockhounding trip

    Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.

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