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Old Maps of Lake County, California for Metal Detecting

Plan your next treasure hunt with 144 historic maps of Lake County. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Lake County.

Lake County, CA maps

(144)
  1. 1919 Map of Elk Creek, 1939 Print
    1919 Map of Elk Creek, 1939 Print
    1919 Elk Creek
    1939 Print · USGS
    Covers Lake County, including Elk Creek, Chrome, and other nearby areas
  4. 1920 Map of Venado
    1920 Map of Venado
    1920 Venado
    1920 Print · USGS
    Covers Lake County, including Leesville, Colusa County, and other nearby areas
  7. 1920 Map of Ukiah
    1920 Map of Ukiah
    1920 Ukiah
    1920 Print · USGS
    Covers Lake County, including Ukiah, Redwood Valley, and other nearby areas
  10. 1921 Map of Kelseyville
    1921 Map of Kelseyville
    1921 Kelseyville
    1921 Print · USGS
    Covers Lake County, including Cloverdale, Kelseyville, and other nearby areas
  13. 1922 Map of Hullville
    1922 Map of Hullville
    1922 Hullville
    1922 Print · USGS
    Covers Lake County, including Rice Fork Summer Homes, Colusa County, and other nearby areas
  16. 1924 Map of Bartlett Springs
    1924 Map of Bartlett Springs
    1924 Bartlett Springs
    1924 Print · USGS
    Covers Lake County, including Clearlake Oaks, Spring Valley, and other nearby areas
  19. 1927 Map of Calistoga
    1927 Map of Calistoga
    1927 Calistoga
    1927 Print · USGS
    Covers Lake County, including Santa Rosa, Calistoga, and other nearby areas
    2 unique versions available
  22. 1929 Map of Eden Valley
    1929 Map of Eden Valley
    1929 Eden Valley
    1929 Print · USGS
    Covers Lake County, including Mendocino County, United States, and other nearby areas
    2 unique versions available
  25. 1938 Map of Lakeport
    1938 Map of Lakeport
    1938 Lakeport
    1938 Print · USGS
    Covers Lake County, including Lakeport, Lucerne, and other nearby areas
    3 unique versions available
  28. 1938 Map of Hopland
    1938 Map of Hopland
    1938 Hopland
    1938 Print · USGS
    Covers Lake County, including Cloverdale, Yorkville, and other nearby areas
  31. 1942 Map of Bartlett Springs
    1942 Map of Bartlett Springs
    1942 Bartlett Springs
    1942 Print · USGS
    Covers Lake County, including Clearlake Oaks, Spring Valley, and other nearby areas
  34. 1942 Map of St. Helena, 1966 Print
    1942 Map of St. Helena, 1966 Print
    1942 St. Helena
    1966 Print · USGS
    Covers Lake County, including Howell Mountain, Pope Valley, and other nearby areas
  37. 1943 Map of Morgan Valley
    1943 Map of Morgan Valley
    1943 Morgan Valley
    1943 Print · USGS
    Covers Lake County, including Knoxville, Yolo County, and other nearby areas
  40. 1943 Map of Pomo, 1954 Print
    1943 Map of Pomo, 1954 Print
    1943 Pomo
    1954 Print · USGS
    Covers Lake County, including Redwood Valley, Hearst, and other nearby areas
  43. 1943 Map of Calistoga, 1955 Print
    1943 Map of Calistoga, 1955 Print
    1943 Calistoga
    1955 Print · USGS
    Covers Lake County, including Santa Rosa, Calistoga, and other nearby areas
  46. 1943 Map of Kelseyville, 1959 Print
    1943 Map of Kelseyville, 1959 Print
    1943 Kelseyville
    1959 Print · USGS
    Covers Lake County, including Cloverdale, Kelseyville, and other nearby areas
  49. 1943 Map of Hopland, 1960 Print
    1943 Map of Hopland, 1960 Print
    1943 Hopland
    1960 Print · USGS
    Covers Lake County, including Cloverdale, Yorkville, and other nearby areas
  52. 1944 Map of Bartlett Springs
    1944 Map of Bartlett Springs
    1944 Bartlett Springs
    1944 Print · USGS
    Covers Lake County, including Clearlake Oaks, Spring Valley, and other nearby areas
    2 unique versions available
  55. 1944 Map of Ukiah
    1944 Map of Ukiah
    1944 Ukiah
    1944 Print · USGS
    Covers Lake County, including Ukiah, Redwood Valley, and other nearby areas
  58. 1944 Map of Wilbur Springs
    1944 Map of Wilbur Springs
    1944 Wilbur Springs
    1944 Print · USGS
    Covers Lake County, including Leesville, Colusa County, and other nearby areas
    3 unique versions available
  61. 1944 Map of Morgan Valley
    1944 Map of Morgan Valley
    1944 Morgan Valley
    1944 Print · USGS
    Covers Lake County, including Knoxville, Yolo County, and other nearby areas
    2 unique versions available
  64. 1944 Map of Hopland
    1944 Map of Hopland
    1944 Hopland
    1944 Print · USGS
    Covers Lake County, including Cloverdale, Yorkville, and other nearby areas
  67. 1945 Map of Calistoga
    1945 Map of Calistoga
    1945 Calistoga
    1945 Print · USGS
    Covers Lake County, including Santa Rosa, Calistoga, and other nearby areas
    2 unique versions available
  70. 1945 Map of St. Helena
    1945 Map of St. Helena
    1945 St. Helena
    1945 Print · USGS
    Covers Lake County, including Howell Mountain, Pope Valley, and other nearby areas
    2 unique versions available
  73. 1945 Map of Lower Lake
    1945 Map of Lower Lake
    1945 Lower Lake
    1945 Print · USGS
    Covers Lake County, including Clearlake, Clearlake Riviera, and other nearby areas
    2 unique versions available
Showing maps 1-25 of 144

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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?