Lost Horse Mountain
Summit in Riverside County, California · on the USGS Keys View quadrangle
33.93659, -116.13619
Maps that show Lost Horse Mountain
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Keys View, CA
USGS topo, 2023
Park Map - Joshua Tree National Park
National Park Service Maps (public domain) · Joshua Tree National Park
Lost Horse Mtn, CA — USGS historical 15-minute topo (1958)
USGS Historical Topo Maps (public domain) · California
Pinyon Well, CA — USGS historical 15-minute topo (1944)
USGS Historical Topo Maps (public domain) · California
IFR Enroute Low Altitude Chart L-07 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-05 (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)
IFR Enroute High Altitude Chart H-03 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Name, class, county and location: USGS Geographic Names Information System (public domain).