Centralia: Agate & Carnelian Rockhounding in Lewis County, Washington
- Minerals reported
- 6
- Elevation
- 200 ft
- Best months
- Year-round
Centralia is a mapped rockhounding spot in Lewis County, Washington. Reported finds include agate, carnelian, chalcedony, geode, jasper, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Plan your visit
Permission required before collecting
- County
- Lewis County
- State
- Washington
- Nearest road
- East Carson Street
- Coordinates
- 46.74612, -122.94150
Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.
Land & collecting status
Permission required before collecting
Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.
Access note: Reported as private property. No public land of record at the mapped point.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Best time to visit Centralia
Comfortable months (45 to 90°F highs)
Conditions here are workable year-round, with typical highs from 46°F in winter to 77°F in summer.
Climate normals: NOAA 1991-2020 monthlies, CENTRALIA station (2 mi away).
Geology at Centralia
This spot sits on alluvium, mapped as sand and gravel that formed within roughly the last 3 million years. Geodes weather out of their host rock and collect in gravels like these, where their round shape and light heft help them stand out.
- Mapped unit
- alluvium
- Age
- 3 Ma to present (Quaternary)
- Rock types
- sand and gravel
- Elevation
- 200 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Today's weather
Is today a good day to go?
The app shows live weather, recent rain, and a daily rockhounding score for Centralia.
Get the appSources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- Washington Geological Survey (DNR)
- Stonerose Interpretive Center, Visit & rules
- BLM Spokane District
- Community submissions reviewed against published agency rules
Found at Centralia
Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Centralia.
- Newaukum River gravelsLewis County, Washington · 10 mi awayGeode, Nodule
- Lucas CreekLewis County, Washington · 11 mi awayAgate, Carnelian, Chalcedony
- McCoy Farm near AdnaLewis County, Washington · 13 mi awayCarnelian, Petrified Wood
- DotyLewis County, Washington · 18 mi awayAgate, Carnelian, Chalcedony
- Pe EllLewis County, Washington · 21 mi awayAgate, Carnelian, Chalcedony
- ToledoLewis County, Washington · 21 mi awayGeode, Nodule
- Willapa HillsPacific County, Washington · 27 mi awayAgatized Fossil Shell
- LebamPacific County, Washington · 32 mi awayAgatized Fossil Shell, Chalcedony
Across the state line from Centralia
Centralia is close enough to the Washington border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Pacific Ocean beachesClatsop County, Oregon · 64 mi awayBloodstone, Jasper, Agate
- Columbia River shoreColumbia County, Oregon · 66 mi awayThomsonite
- Nehalem River gravelsClatsop County, Oregon · 66 mi awayAgate, Carnelian, Jasper
- Clear CreekColumbia County, Oregon · 67 mi awayPlume Agate, Carnelian, Jasper
Centralia FAQ
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More rockhounding in Washington
See all 100 Washington spots →
Open Centralia on the map
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