San Domingo Wash: Gold Prospecting in Maricopa County, Arizona
Updated June 2026
San Domingo Wash is a documented Au-Pt placer district in the western foothills of the Wickenburg Mountains, with Mindat and USGS-derived records tying the gold to stream-placer concentration. It stands out for Phoenix-area collectors because the target is a named historic placer system, not scattered speculative gold ground. Reported finds include gold. Below: coordinates, access notes, nearby spots, and trip-planning links.
San Domingo Wash photos
Public image records connected to this spot or its reported material.
Map showing San Domingo Wash in Maricopa County, Arizona
Quick details
- Access
- Public area
- County
- Maricopa County
- State
- Arizona
- Nearest road
- Phoenix–Wickenburg Highway
- Coordinates
- 33.88697, -112.66235
Geology at San Domingo Wash
This spot sits on volcanic rocks, mapped as basalt, andesite, and dacite that formed roughly 41 to 7 million years ago. Gold in volcanic terrain like this is usually tied to old vein systems and the gravels that drain them, so nearby washes tend to carry the color.
- Mapped unit
- volcanic rocks
- Age
- 41–7 Ma (Late Eocene to Late Miocene)
- Rock types
- basalt, andesite, and dacite
- Elevation
- 1,870 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.
Best time to visit San Domingo Wash
Best months: October to April. Typical highs run 105°F in midsummer and 66°F in midwinter, with winter lows near 35°F. Monsoon storms peak in July and August and can flood washes fast.
Climate normals: NOAA 1991-2020 monthlies, WICKENBURG station (8 mi away), adjusted for elevation.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
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.
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:
- BLM Arizona — Recreational Mineral Collecting
- Arizona Geological Survey
- Arizona State Land Department recreation permits
- Community submissions reviewed against published agency rules
Found at San Domingo Wash
Each chip 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 San Domingo Wash.
- All along both sides of road from Morristown to Castle Hot SpringsYavapai County, Arizona · 11 mi awayAgate, Chalcedony, Chert
- Area of old Octave mining campYavapai County, Arizona · 18 mi awayGold
- In pegmatite outcrops on area roadsidesYavapai County, Arizona · 18 mi awayMica, Garnet, Hornblende
- Area around hotelYavapai County, Arizona · 18 mi awayJasper, Agate, Quartz
- Area of old Stanton mining campYavapai County, Arizona · 19 mi awayFluorite, Garnet, Gold
- On top of steep hillYavapai County, Arizona · 19 mi awayFluorite, Garnet, Pyrite
- On surface around Rich HillTop pick in ArizonaYavapai County, Arizona · 20 mi awayGold Nugget
- Road along Agua Fria RiverMaricopa County, Arizona · 23 mi awayQuartz
San Domingo Wash FAQ
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More rockhounding in Arizona
See all 53 Arizona spots →Open San Domingo Wash on the map
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