Colusa County is currently in the process of finalizing the basemap for the countywide geographic information system (GIS). When the work is complete, there will be additional maps available for downloading from this site. The maps listed below are being made available in the Adobe Acrobat PDF format and JPEG format. Maps in the Adobe Acrobat PDF format will require the Adobe Acrobat Reader to be able to view or print the maps, you can download the free PDF reader from Adobe
. Maps in the JPEG format can be viewed and printed using any graphics application that can load JPEG image files. Click on the links below to download or view the maps.
Supervisorial District Map
County Road Map
Please come back and visit this site, more maps will be added as they are developed.