Geology

Bisti/De-Na-Zin Wilderness

San Juan County, NM

Coordinate verified

BLM wilderness of eroded Cretaceous–Paleogene badlands — hoodoos, petrified logs, clinker, and candy-striped shales in a pathless desert moonscape south of Farmington. World-class fossil beds (dinosaurs through early Paleocene mammals); day hiking and photography only — no marked trails, no collecting of fossils or petrified wood.

Field facts

RegionSan Juan County, NM
Coordinates36.2847, -108.1951
Acreage~45,000 acres
FormationsFruitland / Kirtland / Ojo Alamo
ManagerBLM Farmington
AccessDirt roads to parking

Nearby locations

Nearby amenities

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.