Geology

Kartchner Caverns State Park

Cochise County, AZ

Coordinate verified

Living limestone show cave in the Whetstone foothills south of Benson, discovered 1974 and kept secret until state protection. Arizona State Parks operates climate-controlled tours of the Throne Room (Kubla Khan column, long soda straws) and seasonal Big Room; surface desert hiking trails above the karst system. Model of high-tech cave conservation (airlocks, misting).

Field facts

RegionCochise County, AZ
Coordinates31.8356, -110.3437
Discovered1974 (public 1988; tours from 1999)
FormationsSpeleothems still growing; brushite moonmilk
AccessPaved from AZ-90 near Benson
NearbyBenson / San Pedro River / Fairbank Historic Townsite

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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.