1 legal place to look for agates in Washington — fees, seasons, and official sources below.
Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Mount Vernon, WA
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Club open dig · Free with permit · no dig fee; a valid Washington Discover Pass must be prominently displayed in your vehicle or you may be ticketed (about $35 annual, $11.50 day) since the site sits on state DNR land
Checked against its source August 16, 2026
Start with the 1 legal place listed on this page — each shows what you can find, its fees, and its season, with a link to the official source. Hours, fees, and access rules change. Verify with the operator or land agency before you go.
Treat Washington's historic mines as history, not destinations. Most sit on private land or active mining claims, and old workings are dangerous even to walk. The state page's mineral record tells you what the ground holds — the directory tells you where you are welcome to look for it.