Centennial Cone — Rockhounding in Jefferson County, Colorado

Centennial Cone is a mapped rockhounding spot in Jefferson County, Colorado. Reported finds include aquamarine, bertrandite, beryl, smoky quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Jefferson County
State: Colorado
Nearest road: Elk Range Trail
Coordinates: 39.75542, -105.36075

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 Centennial Cone

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 Centennial Cone.

Centennial Cone FAQ

Where is Centennial Cone?+

Centennial Cone is in Jefferson County, Colorado, at 39.75542, -105.36075. Nearest road: Elk Range Trail.

What rocks and minerals can you find at Centennial Cone?+

Centennial Cone is reported to produce Aquamarine, Bertrandite, Beryl, Smoky Quartz.

Is collecting allowed at Centennial Cone?+

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.

How do I get to Centennial Cone?+

Open the directions link to navigate to 39.75542, -105.36075 in Google Maps. The nearest road is Elk Range Trail.

More rockhounding in Colorado

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Open Centennial Cone on the map

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