Geology

Black Rock Volcano

Millard County, UT

Coordinate verified

Horseshoe-shaped cinder-and-spatter cone rising more than 300 ft above the Black Rock Desert valley floor between I-15 and Kanosh. Part of Utah’s youngest volcanic field (UGS GeoSights), alongside Ice Springs lava flows, Tabernacle Hill, and Pahvant Butte—easily seen from the interstate and reachable by graded desert roads for close-up basalt geology.

Field facts

RegionMillard County, UT
Coordinates38.8062, -112.4849
TypeCinder-and-spatter cone
FieldBlack Rock Desert volcanic field
Relief>300 ft above valley
NearbyKanosh / Fillmore / Ice Springs

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Public recreation data — BLM & Recreation.gov (RIDB). Verify current access, fees, and seasonal closures before traveling.

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