Old Maps of Siskiyou County, California

Explore 1,020 old maps of Siskiyou County, spanning from 1886 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Siskiyou County changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Siskiyou County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.


Siskiyou County, CA maps

(1,020)
  1. 1886 Map of Modoc Lava Bed
    1886 Map of Modoc Lava Bed
    1886 Modoc Lava Bed
    1886 Print · USGS
    Northeastern California is surveyed here in the years following the Modoc War, showing the volcanic terrain of the Modoc Lava Bed and early river settlements. Trace pioneer history through Modoc Rifle Pits, a Ferry on the Pit River, and old outposts like Bieber and Lookout.

  2. 1886 Map of Shasta
    1886 Map of Shasta
    1886 Shasta
    1886 Print · USGS
    Upper California in the mid-1880s is captured here during the height of the mining era and the early days of mountain tourism. Genealogists can locate family holdings near Yreka, trace river crossings like the ferry at Oaks Bar, or find early resorts at Upper Soda Spring.
    3 unique versions available

  3. 1889 Map of Klamath
    1889 Map of Klamath
    1889 Klamath
    1889 Print · USGS
    Southern Oregon in the late nineteenth century is a land of vast marshes and emerging frontier towns like Linkville. Historians can trace early government outposts at Ft. Klamath and Yainax Agency or locate family-named sites like Applegate Spr. and Olene.

  4. 1890 Map of Red Bluff
    1890 Map of Red Bluff
    1890 Red Bluff
    1890 Print · USGS
    Northern California in the late nineteenth century was a hub of river-and-rail activity where the Central Pacific Railroad met the rugged Klamath Mountains. Researchers can trace old ferry crossings like Ball's Ferry, locate the U.S. Fishery, or find early mining camps and stations such as Minersville and Buck Horn Station.

  5. 1891 Map of Ashland
    1891 Map of Ashland
    1891 Ashland
    1891 Print · USGS
    Southern Oregon's Rogue River Valley was undergoing rapid transformation in the late nineteenth century as rail lines connected its emerging towns. Genealogists and historians can trace early property and settlement patterns near Jacksonville, Medford, and the pristine Crater Lake basin.

  6. 1892 Map of Modoc Lava-Bed
    1892 Map of Modoc Lava-Bed
    1892 Modoc Lava-Bed
    1892 Print · USGS
    Northeastern California's volcanic terrain is meticulously charted in the 1890s, before modern irrigation altered the great northern basins. Genealogists and historians can locate early outposts like Burgettville, the Modoc Rifle Pit, and the high-altitude Ice Cave.
    7 unique versions available

  7. 1893 Map of Ashland
    1893 Map of Ashland
    1893 Ashland
    1893 Print · USGS
    Southern Oregon in the late nineteenth century was a region of rapid change as the Oregon and California R. R. linked the valley floor. Researchers can trace the early footprints of Jacksonville, Medford, and Ashland, or locate landmarks like Crater Lake and Mt Pitt.
    6 unique versions available

  8. 1894 Map of Klamath
    1894 Map of Klamath
    1894 Klamath
    1894 Print · USGS
    Southern Oregon's high desert and lake country are captured in the 1880s, revealing a landscape of remote agencies and early frontier outposts. Genealogists and historians can trace the foundations of Linkville or locate the Yainax Agency and Ft. Klamath.
    6 unique versions available

  9. 1894 Map of Red Bluff, 1896 Print
    1894 Map of Red Bluff, 1896 Print
    1894 Red Bluff
    1896 Print · USGS
    Northern California's mining and river-trading frontier comes alive in this survey of the late nineteenth century. Genealogists and historians can trace the growth of rail hubs like Redding or locate early river crossings and industrial sites such as Jelley's Ferry and the Copper Mine.
    6 unique versions available

  10. 1894 Map of Shasta, 1903 Print
    1894 Map of Shasta, 1903 Print
    1894 Shasta
    1903 Print · USGS
    Northern California at the turn of the century reveals a landscape defined by the shadow of Mt Shasta and a booming mining economy. Genealogists can trace family roots through pioneer settlements like Yreka, Fort Jones, and the Callahan Ranch as the frontier transitioned into a network of established ranching and timber hubs.
    8 unique versions available

  11. 1897 Map of Ashland, 1937 Print
    1897 Map of Ashland, 1937 Print
    1897 Ashland
    1937 Print · USGS
    Southern Oregon's Rogue River Valley is captured here in the late nineteenth century as the railroad began to transform local commerce. Trace the early footprints of Jacksonville and Medford, or locate remote landmarks like Wizard Island and the high peaks of the Rogue River National Forest.

  12. 1908 Map of Grants Pass
    1908 Map of Grants Pass
    1908 Grants Pass
    1908 Print · USGS
    The Rogue River valley and Siskiyou Mountains are shown here during a peak era of mineral extraction and rail expansion. Researchers can trace historic claims like the Granite Hill Mine or find early settlements such as Woodville and Wilderville before modern development altered the landscape.
    5 unique versions available

  13. 1913 Map of Weaverville
    1913 Map of Weaverville
    1913 Weaverville
    1913 Print · USGS
    Trinity and Shasta counties appear here during a peak era of mountain mining and ranching before the mid-century reservoirs were built. Genealogists can trace early homesteads and industrial sites like Whiskytown, Minersville, and the Gladstone Mine.
    6 unique versions available

  14. 1914 Map of Seiad, 1957 Print
    1914 Map of Seiad, 1957 Print
    1914 Seiad
    1957 Print · USGS
    Siskiyou County's rugged borderlands are documented here just before the First World War, showing a landscape of remote mines and river settlements. Genealogists and historians can trace family outposts like Johnsons Dairy, old schoolhouses, and active mining works such as the Blue Ledge Mine.

  15. 1917 Map of Kerby, 1927 Print
    1917 Map of Kerby, 1927 Print
    1917 Kerby
    1927 Print · USGS
    Southern Oregon's mining and timber country is documented here during the early twentieth century, showing the Illinois River basin at its industrial peak. Genealogists can trace family homesteads and local institutions through Kerby, Selma, and rural schools like Spence School.
    3 unique versions available

  16. 1918 Map of Kerby
    1918 Map of Kerby
    1918 Kerby
    1918 Print · USGS
    Josephine County in the years before the Great War was a center of mountain mining and early forestry. Genealogists and historians can trace the pioneer footprints of Waldo, Kerby, and Takilma, alongside remote operations like the Queen of Bronze Mine and Eureka Mine.
    2 unique versions available

  17. 1921 Map of Shasta Valley Sheet No 7
    1921 Map of Shasta Valley Sheet No 7
    1921 Shasta Valley Sheet No 7
    1921 Print · USGS
    Shasta Valley was undergoing significant irrigation planning in the early 1920s as ranching families established themselves in Siskiyou County. You can trace early water sources and landholdings like Dukes Ranch, Big Springs, and the Little Shasta River.

  18. 1921 Map of Shasta Valley Sheet No 11
    1921 Map of Shasta Valley Sheet No 11
    1921 Shasta Valley Sheet No 11
    1921 Print · USGS
    Siskiyou County irrigation and reclamation efforts were in full swing during the early twenties as engineers mapped this volcanic landscape. Researchers can trace the early rural footprint of the valley near Table Rock School and the prominent Bluff.

  19. 1921 Map of Shasta Valley Sheet No 1
    1921 Map of Shasta Valley Sheet No 1
    1921 Shasta Valley Sheet No 1
    1921 Print · USGS
    Shasta Valley at the dawn of the 1920s reveals a landscape defined by the iron rails and early automobile routes of Siskiyou County. Trace the development of Gazelle along the Southern Pacific (Shasta Route) and the historic Pacific Highway.

  20. 1921 Map of Shasta Valley Sheet No 6
    1921 Map of Shasta Valley Sheet No 6
    1921 Shasta Valley Sheet No 6
    1921 Print · USGS
    In the Siskiyou hills during the early 1920s, this survey reveals a unique landscape of volcanic hummocks and scattered ranching. Researchers can locate the original Big Springs School and trace the early course of the Shasta River through the Little Shasta Valley.

  21. 1921 Map of Shasta Valley Sheet No 2
    1921 Map of Shasta Valley Sheet No 2
    1921 Shasta Valley Sheet No 2
    1921 Print · USGS
    Siskiyou County irrigation and transportation are evolving in the early 1920s as rail and highway routes converge near the valley floor. Researchers can trace the path of the Old Yreka Mining Ditch or locate early rural education sites like Excelsior School and Vineland School.

  22. 1922 Map of Shasta Valley Sheet No 10
    1922 Map of Shasta Valley Sheet No 10
    1922 Shasta Valley Sheet No 10
    1922 Print · USGS
    Siskiyou County's volcanic terrain and early 1920s development are captured here during a period of significant irrigation and power planning. Genealogists and historians can locate the Shasta View School and trace the original path of the Pacific Branch railroad.

  23. 1922 Map of Shasta Valley Sheet No 10 E
    1922 Map of Shasta Valley Sheet No 10 E
    1922 Shasta Valley Sheet No 10 E
    1922 Print · USGS
    Siskiyou County's volcanic landscape is captured here in the early 1920s during a pivotal era of land reclamation. Researchers can trace the subterranean orientation of The Caves and the significant landmark of Yellow Butte.

  24. 1922 Map of Preston Peak
    1922 Map of Preston Peak
    1922 Preston Peak
    1922 Print · USGS
    The California-Oregon borderlands are mapped here just before the era of modern highway expansion, showing a network of remote river bars and mountain ranches. Trace the locations of early outposts like Gasquet Adams Sta, the Cleopatra Mine, and Terwer School.
    5 unique versions available

  25. 1922 Map of Shasta Valley Sheet No 12
    1922 Map of Shasta Valley Sheet No 12
    1922 Shasta Valley Sheet No 12
    1922 Print · USGS
    Siskiyou County irrigation and reclamation efforts are captured in the early 1920s during a detailed survey of the Shasta Valley. Researchers can trace the course of Little Shasta and locate landmarks like Black Rock and Solomons Temple.

Showing maps 1-25 of 1,020

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