Upper Otay Lake
Reservoir in San Diego County, California · on the USGS Jamul Mountains quadrangle
32.65145, -116.93446
Maps that show Upper Otay Lake
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Topographical Map — Rancho Jamul Ecological Reserve — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Jamul Mountains, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Jamul, CA — USGS historical 15-minute topo (1943)
USGS Historical Topo Maps (public domain) · California
Public domain
Jamul, CA — USGS historical 15-minute topo (1955)
USGS Historical Topo Maps (public domain) · California
Public domain
IFR Enroute Low Altitude Chart L-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).