Where to Find Chalcedony in Washington
Washington has 9 mapped collecting spots that report chalcedony, spread across 3 counties. The largest share sits in Lewis County County with 4 spots. 9 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Map of 9 chalcedony collecting spots in Washington
Best counties for chalcedony in Washington
Ranked by the number of mapped chalcedony spots. County links open the full rockhounding page for that county.
- Lewis County4 spots
- Pacific County4 spots
- Skamania County1 spot
Every chalcedony spot we track in Washington
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| CentraliaEast Carson Street | Lewis County | 46.7461, -122.9415 | Public | |
| DotyDoty Street | Lewis County | 46.6425, -123.2800 | Public | |
| Lucas CreekSenn Road | Lewis County | 46.6389, -122.7723 | Public | |
| Pe EllJones Road | Lewis County | 46.5737, -123.3035 | Public | |
| Green CreekGreen Creek Road | Pacific County | 46.5883, -123.6151 | Public | |
| LebamLebam Road | Pacific County |
| 46.5635, -123.5648 | Public |
| Long BeachDiscovery Trail | Pacific County | 46.3608, -124.0643 | Public | |
| Ocean ParkBay to Ocean Trail | Pacific County | 46.4924, -124.0587 | Public | |
| Mt. AdamsPacific Crest Trail | Skamania County | 46.2359, -121.5474 | Public |
Before you go
Read the chalcedony identification guide so you know what a keeper looks like in the field: Chalcedony in the encyclopedia.
Chalcedony in Washington FAQ
Where can you find chalcedony in Washington?+
The mapped spots concentrate in Lewis County County, Pacific County County, and Skamania County County. Every spot on this page appears on the map above with coordinates and access notes.
How many chalcedony spots are mapped in Washington?+
9 spots across 3 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect chalcedony in Washington?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 9 of the 9 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find chalcedony
More minerals to hunt in Washington
Hunt chalcedony in Washington with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
