Unnamed Area (Jefferson Co.): Gold Prospecting in Jefferson County, Colorado

Updated June 2026

Unnamed Area (Jefferson Co.) is a mapped rockhounding spot in Jefferson County, Colorado. Reported finds include fluorite, gold, silver, chalcocite, sphalerite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Jefferson County
State: Colorado
Nearest road: CH 73
Postcode: 80457
Coordinates: 39.61713, -105.32074

Geology at Unnamed Area (Jefferson Co.)

This spot sits on ground mapped as Gneiss that formed roughly 2500 to 1600 million years ago. Gold in metamorphic belts like this is typically tied to quartz veins and shear zones, with placer color in the creeks that cut them.

Mapped unit: Gneiss
Age: 2500–1600 Ma (Paleoproterozoic)
Elevation: 7,380 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 Unnamed Area (Jefferson Co.)

Best months: March to November. Typical highs run 80°F in midsummer and 43°F in midwinter, with winter lows near 11°F. At about 7,380 ft, snow can block access from late fall well into spring, so check conditions outside of summer.

Climate normals: NOAA 1991-2020 monthlies, EVERGREEN station (1 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.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Unnamed Area (Jefferson Co.)

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 Unnamed Area (Jefferson Co.).

Unnamed Area (Jefferson Co.) FAQ

Where is Unnamed Area (Jefferson Co.)?+

Unnamed Area (Jefferson Co.) is in Jefferson County, Colorado, at 39.61713, -105.32074. Nearest road: CH 73.

What rocks and minerals can you find at Unnamed Area (Jefferson Co.)?+

Unnamed Area (Jefferson Co.) is reported to produce Fluorite, Gold, Silver, Chalcocite, Sphalerite.

Is collecting allowed at Unnamed Area (Jefferson Co.)?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Unnamed Area (Jefferson Co.)?+

A gold pan, a classifier screen, a small shovel, and a snuffer bottle cover the basics. Motorized equipment and sluices fall under separate rules in most states, so start with hand tools.

When is the best time to visit Unnamed Area (Jefferson Co.)?+

The most comfortable months at Unnamed Area (Jefferson Co.) are March to November. At about 7,380 ft, snow can block access from late fall well into spring, so check conditions outside of summer.

How do I get to Unnamed Area (Jefferson Co.)?+

Open the directions link to navigate to 39.61713, -105.32074 in Google Maps. The nearest road is CH 73.

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