Red Amphitheater
Basin in Inyo County, California · on the USGS Echo Canyon quadrangle
36.41328, -116.66560
Maps that show Red Amphitheater
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Echo Canyon, CA
USGS topo, 2021

Ryan, CA — USGS historical 15-minute topo (1952)
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-09 (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).