Geology

Lexington Arch

White Pine County, NV

Coordinate verified

A rare limestone natural arch (possibly a former cave passage or natural bridge) standing high in Lexington Canyon on the remote south side of Great Basin National Park. The arch is carved from carbonate rock rather than the sandstone typical of most Western arches, and flowstone at the opening supports a cave-origin interpretation.

Field facts

RegionWhite Pine County, NV
Coordinates38.8441, -114.2083
AccessUnimproved dirt road west from UT-21 near Pruess Lake (south of Garrison, UT), then hike from trailhead; high-clearance/4WD often needed
Rock typeLimestone arch / possible natural bridge
ManagementGreat Basin National Park (NPS)
HikeRough several-mile round trip with substantial elevation gain

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

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