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Mount Antero — Rockhounding in Chaffee County, Colorado

Mount Antero is the highest gem locality in the United States, with aquamarine and beryl occurring in granite cavities above timberline near its 14,269-foot summit. Aquamarine is Colorado's state gemstone, and the peak also yields phenakite, topaz, smoky quartz, and fluorite. The collecting ground lies in San Isabel National Forest, where the Forest Service permits casual hand-tool collecting for personal use on open land. Reported finds include aquamarine, beryl, phenakite, smoky quartz, fluorite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Mount Antero photos

Public image records connected to this spot or its reported material.

1 photo

Map showing Mount Antero in Chaffee County, Colorado

Quick details

Access
Public area
Nearest road
Mount Antero Trail
Postcode
81236

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 Mount Antero

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 Mount Antero.

Mount Antero FAQ

Why is Mount Antero one of the best rockhounding spots in Colorado?+
Mount Antero is the highest gem locality in the United States, with aquamarine and beryl occurring in granite cavities above timberline near its 14,269-foot summit. Aquamarine is Colorado's state gemstone, and the peak also yields phenakite, topaz, smoky quartz, and fluorite. The collecting ground lies in San Isabel National Forest, where the Forest Service permits casual hand-tool collecting for personal use on open land.
Where is Mount Antero?+
Mount Antero is in Chaffee County, Colorado, at 38.67382, -106.24667. Nearest road: Mount Antero Trail.
What rocks and minerals can you find at Mount Antero?+
Mount Antero is reported to produce Aquamarine, Beryl, Phenakite, Smoky Quartz, Fluorite.
Is collecting allowed at Mount Antero?+
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 Mount Antero?+
Open the directions link to navigate to 38.67382, -106.24667 in Google Maps. The nearest road is Mount Antero Trail.

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