Cape Mendocino stands as the westernmost point of California on this 2015 U.S. Geological Survey record, where the high elevations of Cape Ridge meet the Pacific. This coastline is defined by a series of significant offshore hazards, including Blunts Reef and the prominent Sugarloaf Island. The topography transitions from sea level to over 1,000 feet in less than a mile, creating a landscape where only Mattole Rd provides terrestrial access along the steep slopes.
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1916 · Cape Fortunas
USGS Topo · 1:62,500
1921 · Cape Mendocino
USGS Topo · 1:62,500
1943 · Ferndale
USGS Topo · 1:62,500
1949 · Eureka
USGS Topo · 1:250,000
1950 · Cape Mendocino
USGS Topo · 1:62,500
1951 · Cape Mendocino
USGS Topo · 1:62,500
1951 · Ferndale
USGS Topo · 1:62,500
1958 · Eureka
USGS Topo · 1:250,000
1958 · Eureka
USGS Topo · 1:250,000
1959 · Ferndale
USGS Topo · 1:24,000