Ghost Ranch: Agate Rockhounding in Rio Arriba County, New Mexico

Updated June 2026

Ghost Ranch is a mapped rockhounding spot in Rio Arriba County, New Mexico. Reported finds include agate. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Rio Arriba County
State: New Mexico
Coordinates: 36.30499, -106.48038

Geology at Ghost Ranch

This spot sits on Piedmont alluvial deposits, mapped as unconsolidated alluvium that formed within roughly the last 3 million years. Gravels like these concentrate whatever survives the river: agate, jasper, and other tough silica typically show up as rounded, waxy stones.

Mapped unit: Piedmont alluvial deposits
Age: 3 Ma to present (Pleistocene to Holocene)
Rock types: unconsolidated alluvium
Elevation: 6,250 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 Ghost Ranch

Best months: February to November. Typical highs run 88°F in midsummer and 42°F in midwinter, with winter lows near 18°F.

Climate normals: NOAA 1991-2020 monthlies, ABIQUIU DAM station (5 mi away).

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: April 1, 2026

Rockhound State Park, Collection rules
BLM New Mexico
New Mexico Bureau of Geology and Mineral Resources
Community submissions reviewed against published agency rules

Found at Ghost Ranch

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

Agate Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Ghost Ranch.

Ghost Ranch FAQ

Where is Ghost Ranch?+

Ghost Ranch is in Rio Arriba County, New Mexico, at 36.30499, -106.48038.

What rocks and minerals can you find at Ghost Ranch?+

Ghost Ranch is reported to produce Agate.

Is collecting allowed at Ghost Ranch?+

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 Ghost Ranch?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Ghost Ranch?+

The most comfortable months at Ghost Ranch are February to November.

How do I get to Ghost Ranch?+

Open the directions link to navigate to 36.30499, -106.48038 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in New Mexico

See all 143 New Mexico spots →

Open Ghost Ranch on the map

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