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2018 Map of California Valley

Name: 2018 Topographic Map of California Valley
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

The Carrizo Plain stretches across this portion of San Luis Obispo County, showing the distinct transition from high desert basin to the complex drainage systems of the Temblor Range foothills. In the north, the sparse grid of California Valley illustrates a mid-century land development pattern, with arterial roads like Soda Lake Rd and Carrisa Hwy providing the primary access through the arid landscape.

South and west of the valley floor, the terrain shifts into a series of steep drainages including Anderson Canyon, Buckhorn Canyon, and the distinct Upper and Lower Piletas Canyon. Local elevations are marked by notable landmarks such as Freeborn Mtn, Hubbard Hill, and the geologically suggestive Syncline Hill. Seasonal watercourses like San Juan Cr and Rogers Cr cut through these canyons, defining the ranching and wildlife corridors of this remote interior region.