Geology
Sandoval County, NM
Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
BLM wilderness of ~11,800 acres southwest of San Ysidro: steep mesas, box canyons, multicolored sandstone, and hoodoos of the southeastern San Juan Basin. Short Seismosaurus and Hoodoo trails leave a common parking area; the broader unit rewards cross-country day exploration of badland geology (no motorized travel).
| Region | Sandoval County, NM |
|---|---|
| Coordinates (approx.) | 35.5216, -106.9186 |
| Size | ~11,800 acres |
| Trails | Seismosaurus + Hoodoo (~2 mi RT each) |
| Agency | BLM Rio Puerco FO |
| Nearby | Cabezon Peak / San Ysidro / White Ridge |
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.