Best Rockhounding Spots in Washington
Free rockhounding locations, pay-to-dig mines, permit rules, and community field notes for Washington
Top Minerals Found in Washington
- 💎Petrified wood (state gem)
- 💎Ellensburg blue agate
- 💎Garnet
- 💎Gold
- 💎Jade
- 💎Rhodonite
- 💎Epidote
- 💎Geodes
Best Regions to Explore
Best Season to Visit
Late spring through early fall for mountain sites; year-round for coast.
Expert Collecting Tips
Ellensburg blue agate is found only in a few square miles of Kittitas County and is among the most valued agates in the US. Washington has abundant BLM land in the east for prospecting.
⭐ Washington Rockhounding Highlight
Washington's Ellensburg blue agate — a vivid cornflower blue chalcedony found only in Kittitas County — is among the most sought-after agates by collectors worldwide.
Pay-To-Dig Mines in Washington
Fee-based mining experiences where you keep what you find.
Ginkgo Petrified Forest State Park Fee Dig Area
Vantage, Washington
💰 Free (public land) / $10 park day pass
Adjacent to Ginkgo Petrified Forest State Park, this area of BLM and state trust land allows collection of petrified wood from the Columbia River Basalt flows. Over 200 species of petrified trees are preserved in this ancient forest. The surrounding Wanapum Recreation Area and Colockum Wildlife Area have accessible collecting sites. Washington's state gem is petrified wood, and this is the premier location.
Ellensburg Blue Agate Claim
Ellensburg, Washington
💰 $25-$50 per person
Search for the extremely rare and sought-after Ellensburg Blue agate — a pale sky-blue chalcedony found only in Kittitas County, WA. This highly prized collector gem is found nowhere else on Earth in similar quality.
Free Rockhounding Locations in Washington
Public and permitted sites where you can hunt for gems and minerals.
Similkameen River - Oroville
Oroville, Washington
The Similkameen River valley near Oroville, Washington has a rich gold placer history and still produces flakes for recreational panners.
Dig Permits & Regulations in Washington
What you need to know before you dig — rules vary by land type.
USDA Forest Service - Pacific Northwest Region (Washington)
Rock and mineral collecting for personal use is allowed in Washington's National Forests. Gifford Pinchot and Okanogan-Wenatchee are popular.
Bureau of Land Management - Oregon/Washington
Casual collecting of rocks and minerals is allowed on BLM lands in Washington for personal use. Agates, fossils, and petrified wood are popular targets.
Rockhounding Clubs in Washington
Connect with local rockhounds and join a club near you.
Puget Sound Gem & Mineral Society
Seattle, Washington
Pacific Northwest club with field trips to Washington and Oregon — petrified wood, agates, Ginkgo Forest, and Oregon thunder eggs.
South Puget Sound Mineral Club
Tacoma, Washington
Active club with access to Washington's petrified wood sites, coastal agates, and joint field trips with Oregon clubs.
Gem Shows & Events in Washington
Upcoming gem shows, swap meets, and rockhounding events.
Skagit Rock & Gem Show
Sedro-Woolley Community Center, Sedro-Woolley
📅 November 7, 2026 – November 8
Annual club show featuring rock displays, minerals, lapidary demonstrations, silent auctions, and kid-friendly activities.
Rockhounding in Washington — FAQ
Where can I go rockhounding in Washington?
Washington has 1 documented free dig site and 2 pay-to-dig mines in our database. Use the interactive map to find exact coordinates.
What gems can you find in Washington?
Common finds in Washington include Gold, Petrified Wood, Chalcedony, Agate, Jasper, Opalite. Results vary by site and season.
Do you need a permit to rockhound in Washington?
Many areas in Washington allow casual collecting without a permit. Always verify with the land management agency before you dig.
What tools do I need for rockhounding in Washington?
Bring a rock hammer, chisels, safety glasses, gloves, and sturdy boots. A field guide and the We Lick Rocks AI rock identifier app are also great to have on hand.