The Index
Summit in San Juan County, Colorado · on the USGS Snowdon Peak quadrangle
37.64430, -107.63304
Maps that show The Index
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Snowdon Peak, CO
USGS topo, 2022
Needle Mountains, CO
USGS historical 15-minute topo (1900)
Needle Mountains, CO
USGS historical 15-minute topo (1902)
Columbine District Motor Vehicle Use Map (MVUM)
San Juan National Forest (2026)
Mountain Division Motor Vehicle Use Map (MVUM)
Grand Mesa, Uncompahgre and Gunnison National Forests (2025)
IFR Enroute Low Altitude Chart L-08 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-09 (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).