Free Geospatial Data
Free Data Resources


Sacramento Region



These are links to data sets that are in and around the Sacramento Region.




City of Sacramento


City of West Sacramento


City of Elk Grove


City of Davis




Sacramento County


Placer County


Yolo County


Napa County



Regional Cooperatives


Sacramento Area Council of Governments (SACOG)


Lake Tahoe - USGS


Mohave Desert Ecosystem




California State Clearinghouse


This site contains a wide variety of free downloadable data sets (vector and raster) throughout California.



CalAtlas - aka California Spatial Information Library




USGS National Map


Created and Maintained by the USGS.  This site provides a link to national geospatial datasets throught the entire US.  Data scales will range from local - national based on availability.


Some of the data collected in the Sacramento Region will be posted here in the near future as well as the CalAtlas site above.



The National Map







Canadian Data





Offers free data for various Canadian resources. There are some good Landsat images here too.



AVIRIS - Airborne Visible/Infrared Imaging Spectrometer




AVIRIS Hyperspectral data available for free at the Jet Propulsion Laboratory.  Obtain free AVIRIS Data for a few small areas.


NASA's World Wind


NASA has a Google Earth-like application called World Wind.  The data behind this application contains, Landsat 7, MODIS, RADAR, Hyperspectral, weather, etc.  There are also globes of the Moon, Mars, and Venus.


This application will require a recent computer and the Microsoft .NET 2.0 Framework to be installed.