Where to Find Basalt in the United States
1 mapped basalt spots across 1 U.S. states. Basalt 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 basalt: properties & identification →Map showing where to find basalt across the United States, with 1 mapped spots
Top states for basalt
States ranked by number of basalt spots in our database. States in bold link to a focused basalt-in-state list.
Every basalt spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Fort Point AreaBattery East Road | — | 37.8089, -122.4762 | Public |
Basalt rockhounding FAQ
Where is the best place to find basalt in the U.S.?+
California have the highest concentrations of basalt in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many basalt rockhounding spots does RockHoundR track?+
1 mapped spots across 1 states. The app keeps these on a map alongside your private finds.
Can I legally collect basalt on public land?+
Casual hand collecting of common rocks and minerals like basalt 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 basalt in the field?+
Field identification of basalt 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.
