In-Ko-Pah Mountains
Range in San Diego County, California · on the USGS Sombrero Peak quadrangle
32.79390, -116.36286
Maps that show In-Ko-Pah Mountains
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Sombrero Peak, CA
USGS topo, 2021
Cuyapaipe, CA — USGS historical 15-minute topo (1942)
USGS Historical Topo Maps (public domain) · California
Mount Laguna, CA — USGS historical 15-minute topo (1960)
USGS Historical Topo Maps (public domain) · California
Routes of Travel for Eastern San Diego County — BLM California (2021)
BLM Recreation Maps (public domain) · California
IFR Enroute Low Altitude Chart L-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Name, class, county and location: USGS Geographic Names Information System (public domain).