Welcome to the State of California

Geographic Information Systems

  • California Healthcare Atlas - Office of Statewide Health Planning and Development
    An interactive, Internet GIS mapping application that enables users to find and get information about hospitals and healthcare facilities, including patient, financial, facility, and geographic data.
  • California Spatial Information Library - CaSIL
    Find geographic and environmental data. Drill down through a map of California using predefined geographies like zip code, watershed, bioregion, county, urban area, or by place name. Crosswalk between geographies. Get map views of California's natural resources and working landscapes.
  • Data collections - CaSIL
    Links to data collections, including aerial photography, remote sensed imagery, rivers and streams, elevation, administrative boundaries, government ownership, transportation features, and land use/land.
  • Fish and Game data collections - Department of Fish and Game
    Links to a variety of data and maps on habitat tracking, vegetation, fishing, and more.
  • Geospatial Information Office - Resources Agency
    Provides tools such as CaSIL, GeoFInder, and CEIC - an online directory of information resources from California cities, counties, utilities, state and federal agencies, private businesses and academic institutions.
  • Geospatial Information Systems Task Force - State Chief Information Officer
    Created to enhance the technology for environmental protection, natural resource management, traffic flow, emergency preparedness and response, land use planning and health and human services.
  • Neighborhood Knowledge California - UCLA Center for Neighborhood Knowledge
    Statewide, interactive website assembles maps and a variety of databases that can be used in neighborhood research (mortgage, school, census, population, housing, etc.). Users can create their own maps.
  • Network for a Healthy California - California Department of Public Health
    An interactive, internet-based GIS that allows users to view and query mapped nutrition and health data.
  • U.S. Census Bureau
    Maps and cartographic resources, including American FactFinder, State and County QuickFacts, and the TIGER Map Server.