Where to Find Arsenic in the United States
6 mapped arsenic spots across 4 U.S. states. Arsenic is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Learn about arsenic: properties & identification →Map showing where to find arsenic across the United States, with 6 mapped spots
Top states for arsenic
States ranked by number of arsenic spots in our database. States in bold link to a focused arsenic-in-state list.
Every arsenic spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Hog Mountain | Tallapoosa County |
| 33.0759, -85.8497 | Check locally |
| JardineCrevice Top Road | Park County |
| 45.0472, -110.5953 | Public |
| Carson CityBunker Hill Mine Road | — | 39.1174, -119.6747 | Public | |
| EurekaSpring Valley Road | Eureka County | 39.5004, -115.9936 | Public | |
| Battle MountainCopper Canyon Road | Lander County | 40.5326, -117.1152 | Public | |
| Monte CristoMonte Cristo Trail | Snohomish County |
| 47.9859, -121.3939 | Public |
Arsenic rockhounding FAQ
Where is the best place to find arsenic in the U.S.?+
Nevada, Alabama, Montana have the highest concentrations of arsenic in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many arsenic rockhounding spots does RockHoundR track?+
6 mapped spots across 4 states. The app keeps these on a map alongside your private finds.
Can I legally collect arsenic on public land?+
Casual hand collecting of common rocks and minerals like arsenic is allowed on most BLM and U.S. Forest Service land, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always check with the managing agency before a trip.
How do I identify arsenic in the field?+
Field identification of arsenic comes down to color, hardness, fracture, and luster. The RockHoundR app links to geology details for each spot to help narrow down what you might be picking up.
Hunt arsenic on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
