Old Maps of Clearlake, California for Academic Research

Study the evolution of Clearlake with 22 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Clearlake has changed over the decades.


Clearlake, CA maps

(22)
  1. 1945 Map of Lower Lake
    1945 Map of Lower Lake
    1945 Lower Lake
    1945 Print · USGS
    Lake County's famous resort and mercury-mining districts are shown in high detail during the mid-1940s. Researchers can locate vanished structures at Hould Gibson Camp, trace the namesake springs at Anderson Springs, and find rural institutions like Cobb Valley Sch.
    2 unique versions available

  2. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Northern California in the late 1940s was a landscape of agricultural valleys and vital rail hubs. Trace the historic routes of the Northwestern Pacific through Healdsburg or explore the mid-century waterfronts of Vallejo and Benicia near Mare Island.

  3. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    The North Bay and Wine Country appear here in the late 1940s, when the Northwestern Pacific RR still dominated regional transit. Genealogists and historians can trace old coastal outposts like Anchor Bay Settlement and the early layout of Santa Rosa.
    2 unique versions available

  4. 1958 Map of Lower Lake, 1961 Print
    1958 Map of Lower Lake, 1961 Print
    1958 Lower Lake
    1961 Print · USGS
    Lower Lake and the surrounding Lake County valleys are captured here in the late fifties, showcasing a landscape defined by the winding waters of Cache Creek. Researchers can trace the layout of the town near Union High Sch or locate rural landmarks like the Baker Mine and Pearce Airport.
    5 unique versions available

  5. 1958 Map of Clearlake Highlands, 1961 Print
    1958 Map of Clearlake Highlands, 1961 Print
    1958 Clearlake Highlands
    1961 Print · USGS
    Clear Lake's eastern shoreline and the surrounding volcanic highlands are captured here during the late 1950s. Genealogists and local historians can trace the development of Clearlake Highlands and find legacy landmarks like the Burns Valley Sch and Salminas Resort.
    5 unique versions available

  6. 1958 Map of Lower Lake, 1962 Print
    1958 Map of Lower Lake, 1962 Print
    1958 Lower Lake
    1962 Print · USGS
    Lake County was a burgeoning destination for mineral spring resorts and lakeside living in the late fifties. Genealogists and historians can trace the foundations of Clearlake Highlands, the winding Putah Creek, and historic sites like Hobergs and Sulphur Bank Mine.
    2 unique versions available

  7. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    The North Bay and Wine Country are captured in the mid-twentieth century as the region balanced its agricultural roots with a growing military and recreational footprint. Researchers can trace the Northwestern Pacific RR through the Russian River valley or locate landmarks like the Petaluma Adobe Historical Monument and The Geysers Resort.
    3 unique versions available

  8. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    The North Bay and Wine Country were entering a period of significant growth in the early sixties, anchored by established rail corridors and coastal maritime commerce. Genealogists and historians can trace the development of Santa Rosa, locate the Mare Island Naval Shipyard, and follow the Northwestern Pacific RR through the Cotati Valley.

  9. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    The North Bay and Wine Country appear in the mid-fifties during a period of significant military and educational growth. Trace old rail lines like the Northwestern Pacific RR and explore historic sites from Petaluma to the Benicia Arsenal.

  10. 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

  11. 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.

  12. 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.

  13. 1993 Map of Clearlake Highlands
    1993 Map of Clearlake Highlands
    1993 Clearlake Highlands
    1993 Print · USGS
    The southeastern shores of Clear Lake come alive in the early nineties as residential growth transforms the waterfront. Researchers can trace the development of Clearlake Highlands, locate the Burns Valley School, and explore the protected wetlands of Anderson Marsh State Historical Park.

  14. 1993 Map of Lower Lake
    1993 Map of Lower Lake
    1993 Lower Lake
    1993 Print · USGS
    Lake County in the early nineties shows a landscape of expanding lakeside communities and rugged backcountry peaks. Genealogists and historians can trace the developments around Lower Lake, the grounds of Yuba College, and the rural site of Baker Mine.
    2 unique versions available

  15. 2012 Map of Clearlake Highlands, 2012 Print
    2012 Map of Clearlake Highlands, 2012 Print
    2012 Clearlake Highlands
    2012 Print · USGS
    Covers Clearlake, including Clearlake Riviera, Riviera Estates, and other nearby areas

  16. 2012 Map of Lower Lake, 2012 Print
    2012 Map of Lower Lake, 2012 Print
    2012 Lower Lake
    2012 Print · USGS
    Covers Clearlake, including Lower Lake, Twin Lakes, and other nearby areas

  17. 2015 Map of Lower Lake, 2015 Print
    2015 Map of Lower Lake, 2015 Print
    2015 Lower Lake
    2015 Print · USGS
    Covers Clearlake, including Lower Lake, Twin Lakes, and other nearby areas

  18. 2015 Map of Clearlake Highlands, 2015 Print
    2015 Map of Clearlake Highlands, 2015 Print
    2015 Clearlake Highlands
    2015 Print · USGS
    Covers Clearlake, including Clearlake Riviera, Riviera Estates, and other nearby areas

  19. 2018 Map of Clearlake Highlands, 2018 Print
    2018 Map of Clearlake Highlands, 2018 Print
    2018 Clearlake Highlands
    2018 Print · USGS
    Covers Clearlake, including Clearlake Riviera, Riviera Estates, and other nearby areas

  20. 2018 Map of Lower Lake, 2018 Print
    2018 Map of Lower Lake, 2018 Print
    2018 Lower Lake
    2018 Print · USGS
    Covers Clearlake, including Lower Lake, Twin Lakes, and other nearby areas

  21. 2021 Map of Clearlake Highlands, 2021 Print
    2021 Map of Clearlake Highlands, 2021 Print
    2021 Clearlake Highlands
    2021 Print · USGS
    Lake County's eastern shores are detailed here in the early 2020s, showing the modern layout of lakeside communities and mountain retreats. Researchers can trace local landmarks like Salminas Resort, the Anderson Marsh wetlands, and the streets of Clearlake Highlands.

  22. 2021 Map of Lower Lake, 2021 Print
    2021 Map of Lower Lake, 2021 Print
    2021 Lower Lake
    2021 Print · USGS
    Lake County comes into focus in the early 2020s, showing the intersection of suburban growth and the deep-rooted ranching landscape. Genealogists and local historians can trace family plots at the Herndon - Copsey Pioneer Cem or locate the original town sites near Lower Lake and Baton Flat.

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Frequently asked questions

  • What are the different types of historical maps available for Clearlake?
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