Old Maps of Humboldt County, California for Hiking & Exploration

Hike through history with 527 historic maps of Humboldt County. Explore old trails, ghost towns, and forgotten backroads — perfect for outdoor adventurers and local explorers.

  • Rediscover forgotten places: Map out old mining camps, roads, and footpaths that no longer exist on modern maps.
  • Layer with modern tools: Combine with LiDAR or satellite views to plan hikes through historical terrain.
  • Made for exploration: Popular among hikers, overlanders, and local history lovers.

Use these maps to find adventure and explore the hidden past of Humboldt County.


Humboldt County, CA maps

(527)
  1. 1909 Map of Big Bar
    1909 Map of Big Bar
    1909 Big Bar
    1909 Print · USGS
    Trinity County at the turn of the century shows a land defined by deep river canyons and remote mountain settlements. Genealogists and local historians can trace early footprints at Hyampom and Hayfork, or locate the high ridges of Barker Mtn and Thompson Peak.
    2 unique versions available

  2. 1914 Map of Pilot Creek
    1914 Map of Pilot Creek
    1914 Pilot Creek
    1914 Print · USGS
    Humboldt and Trinity counties are shown during the early years of the national forest system, before modern road networks penetrated these deep woods. Researchers can trace early infrastructure like Wises Substation and Oak Park R.S. or locate remote landmarks like Durphys Lake.

  3. 1915 Map of Big Bar and Vicinity
    1915 Map of Big Bar and Vicinity
    1915 Big Bar and Vicinity
    1915 Print · USGS
    The Trinity River wilderness in the early twentieth century was a landscape of isolated mining outposts and river settlements. Genealogists and historians can trace the early footprints of Junction City, Helena, and Hyampom alongside remote landmarks like Keystone Cabin.
    5 unique versions available

  4. 1916 Map of Cape Fortunas
    1916 Map of Cape Fortunas
    1916 Cape Fortunas
    1916 Print · USGS
    Coastal Humboldt County was a landscape of tide-water sloughs and productive dairies during this 1910s survey. Researchers can trace the early property boundaries of the Mayflower Ranch or locate vanished sites like the Belmonte Creamery and the river landing at Port Kenyon.

  5. 1919 Map of Glynn, 1945 Print
    1919 Map of Glynn, 1945 Print
    1919 Glynn
    1945 Print · USGS
    Coastal Humboldt County at the end of the Great War reveals a landscape of industrial timber towns and remote family ranches. Researchers can trace early infrastructure along the Eel River or locate family landmarks like Giacomini Ranch and the Bull Creek Settlement.

  6. 1920 Map of Pt. Delagda
    1920 Map of Pt. Delagda
    1920 Pt. Delagda
    1920 Print · USGS
    The Humboldt County coast in the years following the Great War remained a remote landscape of family-run operations and steep shorelines. Researchers can trace early ranching sites and coastal landmarks like Shelter Cove, Etters Ranch, and Honey Dew.

  7. 1920 Map of Harris
    1920 Map of Harris
    1920 Harris
    1920 Print · USGS
    Humboldt County ranching and rail life are recorded here during the early twentieth century as the railroad carved its path through the Eel River canyon. Researchers can trace historic family holdings like Carey Ranch or locate early industrial sites such as the Steelhead US Fish Hatchery and Fort Seward.

  8. 1921 Map of Dyerville
    1921 Map of Dyerville
    1921 Dyerville
    1921 Print · USGS
    Northern California river country comes alive in the early twentieth century as the rail and timber industries expand. Trace family history and defunct rail stops through Dyerville, Pepperwood, and family landmarks like Eaton Ranch or the PAC. LBR. CO. SIDING.

  9. 1921 Map of Briceland
    1921 Map of Briceland
    1921 Briceland
    1921 Print · USGS
    Humboldt County ranching and river life are captured here during the first World War, showing the early infrastructure of the redwood region. Researchers can locate numerous family holdings like the Ben Stoddard Ranch and settlements at Briceland and Garberville.
    2 unique versions available

  10. 1921 Map of Cape Mendocino
    1921 Map of Cape Mendocino
    1921 Cape Mendocino
    1921 Print · USGS
    Coastal Humboldt County was a region of scattered homesteads and river valleys in the early 1920s. Genealogists and researchers can trace family-named locations such as Hansens and Prestons, or locate the Race Track near Petrolia.

  11. 1922 Map of Eureka
    1922 Map of Eureka
    1922 Eureka
    1922 Print · USGS
    Humboldt Bay and the redwood coast are captured in the early twenties as the region’s timber and rail economy reached its height. Genealogists and historians can trace family-named settlements like John Brown and Wheeler, or locate industrial sites such as the Shingle Mill and the Arcata Wharf.

  12. 1922 Map of Korbel
    1922 Map of Korbel
    1922 Korbel
    1922 Print · USGS
    Humboldt County’s timber and rail economy is on full display in the early 1920s as rail lines converge along the Mad River. Genealogists and historians can trace family-named outposts like Berry's, Bairs, and Murphy or follow the early tracks of the Arcata and Mad River Railroad.

  13. 1922 Map of China Flat
    1922 Map of China Flat
    1922 China Flat
    1922 Print · USGS
    Northwestern California at the dawn of the 1920s reveals a landscape of isolated river settlements and early forest service outposts. Genealogists and historians can trace the residents of Quinby and Uptons or locate the China Flat Post Office and Handy Horse Ranger Station.

  14. 1922 Map of Kneeland, 1938 Print
    1922 Map of Kneeland, 1938 Print
    1922 Kneeland
    1938 Print · USGS
    Humboldt County’s mountain ridges and river valleys are captured here in the early twenties, showing a landscape of remote outposts and forest boundaries. Genealogists and researchers can locate old sites like Fort Baker, Redwood House, and the settlement of Kneeland.

  15. 1925 Map of Hoopa
    1925 Map of Hoopa
    1925 Hoopa
    1925 Print · USGS
    Northwestern California in the mid-twenties centers on the vital corridors of the Klamath River and the Hoopa Valley Indian Reservation. Genealogists and historians can trace riverside settlements and landmarks like Martins Ferry, Weitchpec, and Orleans.

  16. 1926 Map of Gorda
    1926 Map of Gorda
    1926 Gorda
    1926 Print · USGS
    The Humboldt County coast in the mid-1920s is captured in this tactical chart of the shoreline and its precipitous inland peaks. Researchers can locate coastal landmarks like Gorda Rock, Spanish Flat, and the high summit of Gorda 2365.
    2 unique versions available

  17. 1933 Map of Eureka
    1933 Map of Eureka
    1933 Eureka
    1933 Print · USGS
    Coastal Humboldt County comes alive in the 1930s, showing the bustling waterfronts of Eureka and Arcata before modern expansion. Genealogists and historians can trace rail lines like the Dolbeer & Carson R. R. or locate family landmarks such as Dows Prairie Sch and Samoa.

  18. 1942 Map of Eureka
    1942 Map of Eureka
    1942 Eureka
    1942 Print · USGS
    Coastal Humboldt County appears here in the early 1940s, showing the vital rail and maritime links between the bay and the redwood interior. Genealogists can locate family landmarks like Fieldbrook Sch and vanished junctions such as Freshwater Junction or Essex.
    3 unique versions available

  19. 1943 Map of Ferndale
    1943 Map of Ferndale
    1943 Ferndale
    1943 Print · USGS
    The lower Eel River delta and the Humboldt coastline are shown here during the early 1940s. Genealogists and local researchers can trace the locations of numerous rural schoolhouses and family landmarks like Port Kenyon, Table Bluff Rancheria, and Fern Cottage.
    2 unique versions available

  20. 1944 Map of Fortuna
    1944 Map of Fortuna
    1944 Fortuna
    1944 Print · USGS
    Humboldt County’s timber and ranching heartland is captured here in the early 1940s as the Eel River valley flourished. Genealogists can trace family roots through numerous rural school sites like Bucksport Sch and Grant Union Sch or the mill town of Falk.
    3 unique versions available

  21. 1945 Map of Orick
    1945 Map of Orick
    1945 Orick
    1945 Print · USGS
    Coastal Humboldt County was a landscape of dense redwood forests and isolated ranching outposts just after the war. Researchers can trace early family sites like Hufford Ranch, find the State Fish Hatchery, and locate the offshore Redding Rock Lighthouse.

  22. 1945 Map of Trinidad
    1945 Map of Trinidad
    1945 Trinidad
    1945 Print · USGS
    The Humboldt coast during the mid-forties reveals a landscape of maritime safety and redwood-country industry. Trace the locations of family ranches like Reimann Ranch, find the company town at Crannel, or locate the Trinidad Head Lighthouse and a Covered Bridge.

  23. 1945 Map of Coyote Peak
    1945 Map of Coyote Peak
    1945 Coyote Peak
    1945 Print · USGS
    Coastal mountain ridges and river crossings define this Humboldt County landscape in the 1940s. Genealogists and local historians can trace family landholdings like the Hooker Ranch and Tomlinson Bros Ranch near the Hoopa Indian Reservation.

  24. 1945 Map of Tectah Creek
    1945 Map of Tectah Creek
    1945 Tectah Creek
    1945 Print · USGS
    The Klamath River corridor comes to life in the mid-1940s, showing a network of remote riverside settlements and upland prairies. Genealogists and researchers can locate family-named sites like McCOVEY RANCH and historic community hubs like Pecwan-Union School.

  25. 1945 Map of Blue Lake, 1948 Print
    1945 Map of Blue Lake, 1948 Print
    1945 Blue Lake
    1948 Print · USGS
    Coastal Humboldt County meets the timber-heavy interior in the 1940s, showing a landscape of scattered family ranches and river-based industry. Genealogy researchers can trace family lands like Angel Ranch or find vanished school sites such as Maple Creek School.

Showing maps 1-25 of 527

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