Big Mountain

Summit in Sierra County, New Mexico · on the USGS Sulphur Pass quadrangle

33.11740, -106.74519

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Sulphur Pass, NM — USGS 7.5-minute topo (2023)

Sulphur Pass, NM

USGS topo, 2023

Black Top Mountain, NM — USGS historical 15-minute topo (1948)

Black Top Mountain, NM

USGS historical 15-minute topo (1948)

IFR Enroute Low Altitude Chart L-06 (U.S.) — FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-06 (U.S.)

FAA, 2026-10-29

IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29

IFR Enroute High Altitude Chart H-04 (U.S.)

FAA, 2026-10-29

Nearby

Name, class, county and location: USGS Geographic Names Information System (public domain).