1900s (20th Century) Maps of Trinity County, California

Explore 221 historic maps of Trinity County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Trinity County's landscape evolved across the 1900s, 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 1900s, 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 Trinity County's history through authentic maps from the 1900s. This is your window into the past.


Trinity County, CA maps

(221)
  1. 1909 Map of Big Bar
    1909 Map of Big Bar
    1909 Big Bar
    1909 Print · USGS
    Covers Trinity County, including Hayfork, Del Loma, and other nearby areas
    2 unique versions available

  2. 1913 Map of Weaverville
    1913 Map of Weaverville
    1913 Weaverville
    1913 Print · USGS
    Covers Trinity County, including Weaverville, Lewiston, and other nearby areas
    6 unique versions available

  3. 1914 Map of Pilot Creek
    1914 Map of Pilot Creek
    1914 Pilot Creek
    1914 Print · USGS
    Covers Trinity County, including Dinsmores, Humboldt County, and other nearby areas

  4. 1915 Map of Big Bar and Vicinity
    1915 Map of Big Bar and Vicinity
    1915 Big Bar and Vicinity
    1915 Print · USGS
    Covers Trinity County, including Hayfork, Trinity Village, and other nearby areas
    5 unique versions available

  5. 1918 Map of Anada, 1931 Print
    1918 Map of Anada, 1931 Print
    1918 Anada
    1931 Print · USGS
    Covers Trinity County, including Ruth, Ueland Place, and other nearby areas

  6. 1920 Map of Cummings
    1920 Map of Cummings
    1920 Cummings
    1920 Print · USGS
    Covers Trinity County, including Leggett, Twin Rocks, and other nearby areas

  7. 1920 Map of Covelo
    1920 Map of Covelo
    1920 Covelo
    1920 Print · USGS
    Covers Trinity County, including Covelo, Ramsey, and other nearby areas

  8. 1920 Map of Harris
    1920 Map of Harris
    1920 Harris
    1920 Print · USGS
    Covers Trinity County, including Kekawaka, Harris, and other nearby areas

  9. 1921 Map of Hoaglin, 1922 Print
    1921 Map of Hoaglin, 1922 Print
    1921 Hoaglin
    1922 Print · USGS
    Covers Trinity County, including Zenia, Bob Hoaglin Place, and other nearby areas

  10. 1922 Map of Island Mountain
    1922 Map of Island Mountain
    1922 Island Mountain
    1922 Print · USGS
    Covers Trinity County, including Zenia, Bob Hoaglin Place, and other nearby areas

  11. 1922 Map of China Flat
    1922 Map of China Flat
    1922 China Flat
    1922 Print · USGS
    Covers Trinity County, including Trinity Village, Salyer, and other nearby areas

  12. 1923 Map of Sawyers Bar
    1923 Map of Sawyers Bar
    1923 Sawyers Bar
    1923 Print · USGS
    Covers Trinity County, including Etna, Coffee Creek, and other nearby areas
    4 unique versions available

  13. 1926 Map of Covelo
    1926 Map of Covelo
    1926 Covelo
    1926 Print · USGS
    Covers Trinity County, including Covelo, McClure Place, and other nearby areas
    2 unique versions available

  14. 1931 Map of Hoaglin
    1931 Map of Hoaglin
    1931 Hoaglin
    1931 Print · USGS
    Covers Trinity County, including Ruth, Zenia, and other nearby areas

  15. 1931 Map of Etna
    1931 Map of Etna
    1931 Etna
    1931 Print · USGS
    Covers Trinity County, including Etna, Coffee Creek, and other nearby areas

  16. 1934 Map of Etna
    1934 Map of Etna
    1934 Etna
    1934 Print · USGS
    Covers Trinity County, including Etna, Coffee Creek, and other nearby areas
    4 unique versions available

  17. 1935 Map of Hoaglin
    1935 Map of Hoaglin
    1935 Hoaglin
    1935 Print · USGS
    Covers Trinity County, including Ruth, Zenia, and other nearby areas
    3 unique versions available

  18. 1935 Map of Dunsmuir
    1935 Map of Dunsmuir
    1935 Dunsmuir
    1935 Print · USGS
    Covers Trinity County, including Mount Shasta, Weed, and other nearby areas
    4 unique versions available

  19. 1944 Map of French Gulch, 1957 Print
    1944 Map of French Gulch, 1957 Print
    1944 French Gulch
    1957 Print · USGS
    Covers Trinity County, including Deadwood, Iron Mountain, and other nearby areas
    2 unique versions available

  20. 1948 Map of French Gulch
    1948 Map of French Gulch
    1948 French Gulch
    1948 Print · USGS
    Covers Trinity County, including Deadwood, Iron Mountain, and other nearby areas
    2 unique versions available

  21. 1948 Map of Weed, 1950 Print
    1948 Map of Weed, 1950 Print
    1948 Weed
    1950 Print · USGS
    Covers Trinity County, including Yreka, Mount Shasta, and other nearby areas
    2 unique versions available

  22. 1949 Map of Blocksburg, 1955 Print
    1949 Map of Blocksburg, 1955 Print
    1949 Blocksburg
    1955 Print · USGS
    Covers Trinity County, including Blocksburg, Oak Glen, and other nearby areas
    2 unique versions available

  23. 1949 Map of Alderpoint, 1955 Print
    1949 Map of Alderpoint, 1955 Print
    1949 Alderpoint
    1955 Print · USGS
    Covers Trinity County, including Kekawaka, Harris, and other nearby areas
    3 unique versions available

  24. 1950 Map of Weed
    1950 Map of Weed
    1950 Weed
    1950 Print · USGS
    Covers Trinity County, including Yreka, Mount Shasta, and other nearby areas

  25. 1950 Map of Minersville, 1952 Print
    1950 Map of Minersville, 1952 Print
    1950 Minersville
    1952 Print · USGS
    Covers Trinity County, including Cedar Stock, Trinity Alps Resort, and other nearby areas
    4 unique versions available

Showing maps 1-25 of 221

Top cities of Trinity County


Frequently asked questions

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