Geology

Mono Craters

Mono County, CA

Coordinate verified

Chain of young rhyolite and obsidian lava domes and craters south of Mono Lake in Inyo National Forest—one of the most recently active volcanic fields in the contiguous U.S. Forms a north–south spine of glassy domes and pumice fields between US-395 and the eastern Sierra, distinct from nearby Panum Crater at the chain’s north end.

Field facts

RegionMono County, CA
Coordinates37.8624, -119.0065
Rock typesRhyolite / obsidian domes
FieldMono–Inyo Craters
ManagerInyo National Forest
Access corridorUS-395 / forest roads

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

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