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)- 1909 Map of Big Bar1909 Big Bar1909 Print · USGSCovers Trinity County, including Hayfork, Del Loma, and other nearby areas2 unique versions available
- 1913 Map of Weaverville1913 Weaverville1913 Print · USGSCovers Trinity County, including Weaverville, Lewiston, and other nearby areas6 unique versions available
- 1914 Map of Pilot Creek1914 Pilot Creek1914 Print · USGSCovers Trinity County, including Dinsmores, Humboldt County, and other nearby areas
- 1915 Map of Big Bar and Vicinity1915 Big Bar and Vicinity1915 Print · USGSCovers Trinity County, including Hayfork, Trinity Village, and other nearby areas5 unique versions available
- 1918 Map of Anada, 1931 Print1918 Anada1931 Print · USGSCovers Trinity County, including Ruth, Ueland Place, and other nearby areas
- 1920 Map of Cummings1920 Cummings1920 Print · USGSCovers Trinity County, including Leggett, Twin Rocks, and other nearby areas
- 1920 Map of Covelo1920 Covelo1920 Print · USGSCovers Trinity County, including Covelo, Ramsey, and other nearby areas
- 1920 Map of Harris1920 Harris1920 Print · USGSCovers Trinity County, including Kekawaka, Harris, and other nearby areas
- 1921 Map of Hoaglin, 1922 Print1921 Hoaglin1922 Print · USGSCovers Trinity County, including Zenia, Bob Hoaglin Place, and other nearby areas
- 1922 Map of Island Mountain1922 Island Mountain1922 Print · USGSCovers Trinity County, including Zenia, Bob Hoaglin Place, and other nearby areas
- 1922 Map of China Flat1922 China Flat1922 Print · USGSCovers Trinity County, including Trinity Village, Salyer, and other nearby areas
- 1923 Map of Sawyers Bar1923 Sawyers Bar1923 Print · USGSCovers Trinity County, including Etna, Coffee Creek, and other nearby areas4 unique versions available
- 1926 Map of Covelo1926 Covelo1926 Print · USGSCovers Trinity County, including Covelo, McClure Place, and other nearby areas2 unique versions available
- 1931 Map of Hoaglin1931 Hoaglin1931 Print · USGSCovers Trinity County, including Ruth, Zenia, and other nearby areas
- 1931 Map of Etna1931 Etna1931 Print · USGSCovers Trinity County, including Etna, Coffee Creek, and other nearby areas
- 1934 Map of Etna1934 Etna1934 Print · USGSCovers Trinity County, including Etna, Coffee Creek, and other nearby areas4 unique versions available
- 1935 Map of Hoaglin1935 Hoaglin1935 Print · USGSCovers Trinity County, including Ruth, Zenia, and other nearby areas3 unique versions available
- 1935 Map of Dunsmuir1935 Dunsmuir1935 Print · USGSCovers Trinity County, including Mount Shasta, Weed, and other nearby areas4 unique versions available
- 1944 Map of French Gulch, 1957 Print1944 French Gulch1957 Print · USGSCovers Trinity County, including Deadwood, Iron Mountain, and other nearby areas2 unique versions available
- 1948 Map of French Gulch1948 French Gulch1948 Print · USGSCovers Trinity County, including Deadwood, Iron Mountain, and other nearby areas2 unique versions available
- 1948 Map of Weed, 1950 Print1948 Weed1950 Print · USGSCovers Trinity County, including Yreka, Mount Shasta, and other nearby areas2 unique versions available
- 1949 Map of Blocksburg, 1955 Print1949 Blocksburg1955 Print · USGSCovers Trinity County, including Blocksburg, Oak Glen, and other nearby areas2 unique versions available
- 1949 Map of Alderpoint, 1955 Print1949 Alderpoint1955 Print · USGSCovers Trinity County, including Kekawaka, Harris, and other nearby areas3 unique versions available
- 1950 Map of Weed1950 Weed1950 Print · USGSCovers Trinity County, including Yreka, Mount Shasta, and other nearby areas
- 1950 Map of Minersville, 1952 Print1950 Minersville1952 Print · USGSCovers Trinity County, including Cedar Stock, Trinity Alps Resort, and other nearby areas4 unique versions available
Showing maps 1-25 of 221
Top cities of Trinity County
- Weaverville historical maps
- Hayfork historical maps
- Lewiston historical maps
- Trinity Village historical maps
- Ruth historical maps
- Zenia historical maps
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?
























