Where to Find Nodules in the United States
8 mapped nodules spots across 5 U.S. states. Nodules 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 nodules across the United States, with 8 mapped spots
Top states for nodules
States ranked by number of nodules spots in our database. States in bold link to a focused nodules-in-state list.
Every nodules spot we track
Sorted by state and county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| W of Mulligan Peak | Greenlee County | 33.0717, -109.2704 | Public | |
| Quartz outcrop off of jeep road[FR 1058] **4WD** | Maricopa County | 33.9063, -111.7696 | Public | |
| Yucca Mountain | Nye County | 36.9782, -116.4631 | Public | |
| Star Peak | Pershing County | 40.5206, -118.1521 | Public | |
| LakeviewBullard Canyon Trail | Lake County | 42.1839, -120.3303 | Check locally | |
| Simpson SpringsSimpson Springs Road | Tooele County | 40.0359, -112.7767 | Public | |
| Newaukum River gravelsTaylor Road South | Lewis County | 46.6076, -122.8613 | Public | |
| ToledoSaint Helens Street | Lewis County | 46.4428, -122.8434 | Public |
Nodules rockhounding FAQ
Where is the best place to find nodules in the U.S.?+
Arizona, Nevada, Washington have the highest concentrations of nodules in this list. Each state's quality and access varies — open the linked state pages for a detailed view.
How many nodules rockhounding spots does RockHoundR track?+
8 mapped spots across 5 states. The app keeps these on a map alongside your private finds.
Can I legally collect nodules on public land?+
Casual hand collecting of common rocks and minerals like nodules 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 nodules in the field?+
Field identification of nodules 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 nodules on the map
Open RockHoundR to see these spots on a real map with public land overlays and trip-planning details.
