Blanco Trading Post — Rockhounding in San Juan County, New Mexico

Blanco Trading Post is a mapped rockhounding spot in San Juan County, New Mexico. Reported finds include chalcedony. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: San Juan County
State: New Mexico
Nearest road: State Highway 57
Postcode: 87418
Coordinates: 36.34672, -107.82529

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 Blanco Trading Post

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

Chalcedony Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Blanco Trading Post.

Blanco Trading Post FAQ

Where is Blanco Trading Post?+

Blanco Trading Post is in San Juan County, New Mexico, at 36.34672, -107.82529. Nearest road: State Highway 57.

What rocks and minerals can you find at Blanco Trading Post?+

Blanco Trading Post is reported to produce Chalcedony.

Is collecting allowed at Blanco Trading Post?+

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 Blanco Trading Post?+

Open the directions link to navigate to 36.34672, -107.82529 in Google Maps. The nearest road is State Highway 57.

More rockhounding in New Mexico

See all 119 New Mexico spots →

Open Blanco Trading Post on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.