Onion Hill
Summit in Ouray County, Colorado · on the USGS Dallas quadrangle
38.19801, -107.65084
Maps that show Onion Hill
Get them in the map app
Dallas, CO
USGS topo, 2022
Ouray, CO
USGS historical 15-minute topo (1902)
Ouray, CO
USGS historical 15-minute topo (1904)
Mountain Division Motor Vehicle Use Map (MVUM)
Grand Mesa, Uncompahgre and Gunnison National Forests (2025)
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
Name, class, county and location: USGS Geographic Names Information System (public domain).