Rockhounding in Lewis County, Washington

7 mapped rockhounding spots in Lewis County. Most commonly produces geode, carnelian, petrified wood, agate.

Open the full map

Every rockhounding spot in Lewis County

Best spotPe EllLewis County, WashingtonPublic access · Agate, Carnelian, Chalcedony +3
CentraliaLewis County, WashingtonPermission required · Agate, Carnelian, Chalcedony +3
DotyLewis County, WashingtonPermission required · Agate, Carnelian, Chalcedony +3
Lucas CreekLewis County, WashingtonPublic access · Agate, Carnelian, Chalcedony +3
McCoy Farm near AdnaLewis County, WashingtonPublic access · Carnelian, Petrified Wood
Newaukum River gravelsLewis County, WashingtonPublic access · Geode, Nodule
ToledoLewis County, WashingtonPublic access · Geode, Nodule

Lewis County rockhounding photos

Representative spot and material photos from this county, shown where verified public image records are available.

1 photo

Carnelian, the red-orange chalcedony found in the gravels around Pe Ell — Pe EllLewis County, Washington

Minerals reported in Lewis County

Standout in Lewis County

Hand-picked spot in Lewis County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.

Top pick
Pe Ell
Public access
Lewis County
The Washington Geological Survey's gemstone report records that hundreds of pounds of agate have been taken between Adna and Pe Ell, in the heart of Lewis County's carnelian-agate country.
Agate, Carnelian, Chalcedony, Geode

Neighboring counties in Washington

Adjacent rockhounding counties, ranked by how close their centroids sit to Lewis County. A natural extension if Lewis County is already on your trip plan.

Across the state line from Lewis County

Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders. These are often the closest mapped spots you can reach without going deeper into Washington.

Tillamook County~88 miOregon · 5 spotsTop: Agate, Jasper, Bloodstone

Lewis County FAQ

Where can I rockhound in Lewis County, Washington?+

RockHoundR tracks 7 rockhounding spots in Lewis County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.

What rocks and minerals are common in Lewis County?+

Spots in Lewis County most often produce Geode, Carnelian, Petrified Wood, Agate, Chalcedony. Individual spots can vary widely.

Are these Lewis 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 Lewis County rockhounding trip

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