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South Geronimo Mine: Wulfenite & Vanadinite Rockhounding in La Paz County, Arizona

Paid / fee dig9 mineralsLa Paz County, ArizonaUpdated August 2026
Minerals reported
9
Elevation
680 ft
Best months
October to April

South Geronimo Mine is a mapped rockhounding spot in La Paz County, Arizona. Reported finds include wulfenite, vanadinite, mimetite, cerussite, willemite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Plan your visit

Pay-to-dig site

State
Arizona
Get directionsView on Google Maps

Coordinates are approximate. Confirm the exact ground in the RockHoundR app, where land overlays show which agency manages the area.

Land & collecting status

Pay-to-dig site

This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Best time to visit South Geronimo Mine

Comfortable months (45 to 90°F highs)

Best months: October to April. Typical highs run 106°F in midsummer and 68°F in midwinter, with winter lows near 43°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, YUMA PROVING GROUND station (23 mi away), adjusted for elevation.

Geology at South Geronimo Mine

This spot sits on granitic rocks, mapped as diorite, alkali granite, and granodiorite that formed roughly 185 to 145 million years ago. Plutonic rock like this weathers slowly into grus and boulders, and the most productive collecting is typically in weathered zones and drainages.

Mapped unit
granitic rocks
Age
185–145 Ma (Early Jurassic to Late Jurassic)
Rock types
diorite, alkali granite, and granodiorite
Elevation
680 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Today's weather

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Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

State guidance last verified:

Found at South Geronimo Mine

Each name opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of South Geronimo Mine.

Across the state line from South Geronimo Mine

South Geronimo Mine is close enough to the Arizona border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

South Geronimo Mine FAQ

Where is South Geronimo Mine?+
South Geronimo Mine is in La Paz County, Arizona, at 33.11636, -114.61329.
What rocks and minerals can you find at South Geronimo Mine?+
South Geronimo Mine is reported to produce Wulfenite, Vanadinite, Mimetite, Cerussite, Willemite, Fluorite, Calcite, Quartz, Hematite.
Is collecting allowed at South Geronimo Mine?+
Pay-to-dig site. This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out. Always confirm current rules with the managing agency before a trip.
What tools should I bring to South Geronimo Mine?+
A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.
When is the best time to visit South Geronimo Mine?+
The most comfortable months at South Geronimo Mine are October to April. Summer heat here is intense, so carry more water than you think you need and work the early morning.
How do I get to South Geronimo Mine?+
Open the directions link to navigate to 33.11636, -114.61329 in Google Maps. Some spots are remote, so check road conditions before driving out.

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