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California, United States, North America

latitude: 37.05, longitude: -119.63
Browse map of California 37°03′00.00″ N, 119°37′48.00″ W
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California is a state in United States, North America at latitude 37°03′00.00″ North, longitude 119°37′48.00″ West.

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Getting started

Consult our guide to mapping in California, which complements the global tagging reference. If you are mapping based on street-level imagery, the California MUTCD reference pages make it easy to translate what you see into detailed tags.


Get in touch with other California mappers:

The San Francisco Bay Area also has a local mailing list and meetups you can join.


The following pages keep track of our progress in mapping certain kinds of features that are mapped as relations:

We are also tracking a number of imports of open data. As of January 2022, there is an ongoing discussion of moving the state to an importance-based trunk highway classification scheme.


There are 58 counties in California. This list is not exhaustive. Please use template at Creating city pages to create new pages.