Mount Callahan
Summit in Garfield County, Colorado · on the USGS Parachute quadrangle
39.44049, -108.11616
Maps that show Mount Callahan
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Parachute, CO
USGS topo, 2022
Grand Valley, CO
USGS historical 15-minute topo (1929)
Rifle Ranger District Motor Vehicle Use Map (MVUM)
White River National Forest (2026)
Rifle Ranger District Over-Snow Vehicle Use Map
White River National Forest (2026)
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).