Where to Find Volcanic Ash in the United States
2 mapped volcanic ash spots across 1 U.S. states. Volcanic Ash is reported at multiple rockhounding spots across the United States. The map below shows where collectors most often find it on legal public ground.
Map showing where to find volcanic ash across the United States, with 2 mapped spots
Top states for volcanic ash
States ranked by number of volcanic ash spots in our database. States in bold link to a focused volcanic ash-in-state list.
Every volcanic ash spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Wilmore | Comanche County |
| 37.3274, -99.2120 | Public |
| KanopolisAvenue L | Ellsworth County |
| 38.7159, -98.1140 | Public |
Volcanic Ash rockhounding FAQ
Where is the best place to find volcanic ash in the U.S.?+
Kansas have the highest concentrations of volcanic ash in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many volcanic ash rockhounding spots does RockHoundR track?+
2 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect volcanic ash on public land?+
Casual hand collecting of common rocks and minerals like volcanic ash 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 volcanic ash in the field?+
Field identification of volcanic ash 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 volcanic ash on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
