California Outline Map
This map is a basic black and white map showing the county lines as its only details.
Source: Indiana State University

California's 58 Counties Map
This county map is available as a jpg, or you can download it as a PDF file.
Source:California State Association of Counties

California State Map
If you need a map that shows the major freeways in California, this is it!
Source: World Sites Atlas

Annual Average Precipitation Map
This map shows the average annual rainfall in the state.
Source: Spatial Climate Analysis Service, Oregon State University

Angel Island Map
Click on this interactive map to explore the historic California Island.
Source: Angel Island Association

Distribution of California's Forestlands
This reversed color map shows where California's forestland is located.
Source: California Department of Forestry and Fire Protection

Merriam Webster Atlas Map
This atlas page shows the California state map, some quick facts, and a nice explanation of the symbolism of the state flag.
Source: The New York Times and Merriam Webster

California's Original 27 Counties
See how the State of California was divided in 1850 compared to present day on this interactive map.
Source: Ed Stephan - Western Washington University

Maps on Demand
You can find a variety of wonderful geologic maps of California here.
Source: USGS U.S. Department of the Interior and U.S. Geological Survey

Experimental Digital Shaded Relief Map of California
Source: USGS U.S. Department of the Interior and U.S. Geological Survey

Environmental Information by Geographic Region
Choose from one of three interactive maps for specialized environmental information.
California BioRegions
California Counties
Watershed Information By Hydrologic Region
Source: California Resources Agency

Geologic Mapping in California
The U.S. Geological Survey and its partners conduct geologic mapping in many parts of California. Use the links below to explore what mapping is underway and how it is contributing to diverse problems such as understanding earthquake shaking, finding minerals, and evaluating ecosystem environments.
Source: USGS - California Division of Mines and Geology

Find more information on maps of California with help from Google.

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