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1970s Maps of Lake County, California

Explore 10 historic maps of Lake County from the 1970s. These maps offer a rare glimpse into what life looked like during the 1970s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Lake County's landscape evolved across the 1970s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1970s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Lake County's history through authentic maps from the 1970s. This is your window into the past.

Lake County, CA maps

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  1. 1972 Map of Healdsburg, 1975 Print
    1972 Map of Healdsburg, 1975 Print
    1972 Healdsburg
    1975 Print · USGS
    Northern California wine country and the lower Lake County basins appear here during the early seventies. Trace the Northwestern Pacific rail line and discover foothill communities like Middletown and Loch Lomond.
    2 unique versions available
  4. 1974 Map of Kelseyville, 1979 Print
    1974 Map of Kelseyville, 1979 Print
    1974 Kelseyville
    1979 Print · USGS
    Kelseyville and the surrounding Lake County landscape are captured in this late-1970s orthophoto. Researchers can trace the development of Buckingham, the flow of Adobe Creek, and the clear waters of Boggs Lake.
    2 unique versions available
  7. 1977 Map of Highland Springs, 1979 Print
    1977 Map of Highland Springs, 1979 Print
    1977 Highland Springs
    1979 Print · USGS
    Lake County landscapes are captured in detail during the late seventies through high-resolution aerial photography. Genealogists and environmental historians can trace the precise natural course of Adobe Creek and study the historic agricultural footprints of the region.
    2 unique versions available
  10. 1977 Map of Lakeport, 1979 Print
    1977 Map of Lakeport, 1979 Print
    1977 Lakeport
    1979 Print · USGS
    The western shores of California’s largest natural freshwater lake appear in sharp detail during the late seventies. Researchers can trace the development of Lakeport and the agricultural landscape surrounding Scotts Creek and Lakeport Peak.
    2 unique versions available
  13. 1977 Map of Clearlake Highlands, 1980 Print
    1977 Map of Clearlake Highlands, 1980 Print
    1977 Clearlake Highlands
    1980 Print · USGS
    The eastern shores of Clear Lake are captured in high-altitude detail in the late 1970s, showing the intersection of lake life and development. Genealogists and local historians can trace the street layouts of Clearlake Highlands and the secluded basins of Borax Lake and Thurston Lake.
  16. 1977 Map of Lower Lake, 1980 Print
    1977 Map of Lower Lake, 1980 Print
    1977 Lower Lake
    1980 Print · USGS
    The township of Lower Lake and the pastoral Excelsior Valley appear in sharp detail in this late-1970s aerial survey. Researchers can trace the mid-century development of the town and follow the path of Cache Creek through the landscape.
  19. 1977 Map of Bartlett Mtn, 1980 Print
    1977 Map of Bartlett Mtn, 1980 Print
    1977 Bartlett Mtn
    1980 Print · USGS
    Northern Lake County appears in high-resolution detail during the late seventies, showing the transition from mountain ridges to lowland clearings. Researchers can pinpoint the exact terrain of Twin Valley and the open flats of Clover.
  22. 1977 Map of Lucerne, 1980 Print
    1977 Map of Lucerne, 1980 Print
    1977 Lucerne
    1980 Print · USGS
    The northeastern shores of Clear Lake are captured here during the late seventies, showing the development of lakeside communities. Genealogists and local historians can trace the street layouts of Nice and Lucerne or study the agricultural fields along Kelsey Creek.
  25. 1977 Map of Clearlake Oaks, 1980 Print
    1977 Map of Clearlake Oaks, 1980 Print
    1977 Clearlake Oaks
    1980 Print · USGS
    Clearlake Oaks and the northern shores of Clear Lake are captured in the late 1970s through this aerial orthophoto. Trace the development of lakeside neighborhoods in Clearlake Oaks and Glenhaven or the open stretches of Long Valley.
  28. 1977 Map of Upper Lake, 1980 Print
    1977 Map of Upper Lake, 1980 Print
    1977 Upper Lake
    1980 Print · USGS
    Upper Lake and the surrounding valley are captured in high-altitude detail during the late seventies, showing the region's agricultural footprint. Trace the path of Middle Creek through the orchards of Bachelor Valley toward the base of White Rock Mtn.
End of results
Showing maps 1-10 of 10

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Frequently asked questions

  • What are the different types of historical maps available for Lake County?
  • What is the oldest map of Lake County?
  • Where can I purchase historical maps of Lake County for my home or office?
  • Where can I download high-res historical maps of Lake County?
  • Are there historical topographic maps available for Lake County?
  • Is there historical aerial imagery available for Lake County?
  • Where are historical maps of Lake County sourced from?