Pacheco Peak rises as the dominant landmark of this Diablo Range landscape in Santa Clara County, presiding over a complex network of canyons and ridges. The terrain is defined by the convergence of several major creek forks, including the N Fork Pacheco Cr, E Fork Pacheco Cr, and S Fork Pacheco Cr, which feed into the central Pacheco Lake. The rugged geography includes notable named heights such as Burra Burra Peak, Gulnac Peak, and Elephant Head, creating a dramatic series of elevations and depressions like Hurricane Canyon and Harper Canyon. California State Route 152 cuts through the southern portion of the map, providing a modern passage through this historically significant corridor that connects the Santa Clara Valley to the Central Valley. Smaller features like Lovers Leap and Chimney Rock highlight the specific geological character that has drawn surveyors and travelers to this pass for generations.
35 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1919 · Hollister
USGS Topo · 1:48,000
1920 · Pacheco Pass
USGS Topo · 1:62,500
1921 · Gilroy Hot Springs
USGS Topo · 1:62,500
1921 · Hollister
USGS Topo · 1:62,500
1922 · Quien Sabe
USGS Topo · 1:62,500
1923 · Hollister
USGS Topo · 1:62,500
1939 · Gilroy Hot Springs
USGS Topo · 1:62,500
1940 · Gilroy Hot Springs
USGS Topo · 1:62,500
1940 · Hollister
USGS Topo · 1:62,500
1940 · Pacheco Pass
USGS Topo · 1:62,500