Porphyry Peak
Summit in Saguache County, Colorado · on the USGS Bonanza quadrangle
38.35572, -106.15191
Maps that show Porphyry Peak
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Bonanza, CO
USGS topo, 2022
Bonanza, CO
USGS historical 15-minute topo (1959)
Saguache Ranger District
East Motor Vehicle Use Map (MVUM) — Rio Grande National Forest (2025)
IFR Enroute Low Altitude Chart L-09 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-11 (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-03 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).