Geology
Sandoval County, NM
Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
Iconic ~7,785 ft basalt volcanic plug—the largest of the Rio Puerco necks—rising more than 1,100 ft above the valley floor northwest of Albuquerque. Classic columnar-jointed plug from Mt. Taylor–field volcanism (~2.6 Ma), managed as BLM Cabezon Wilderness Study Area with a scramble route from the west-side trailhead parking.
| Region | Sandoval County, NM |
|---|---|
| Coordinates (approx.) | 35.5991, -107.0955 |
| Elevation | 7,785+ ft |
| Type | Volcanic plug / WSA |
| Age | ~2.6 million years |
| Manager | BLM Rio Puerco Field Office |
Public recreation data — BLM & Recreation.gov (RIDB). Verify current access, fees, and seasonal closures before traveling.
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Plan ahead. Leave no trace. Verify current access before traveling.