Old Maps of Idaho for Metal Detecting

Plan your next treasure hunt with 11,148 historic maps of Idaho. 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 Idaho.


Idaho maps

(11,148)
  1. 1882 Map of Paradise
    1882 Map of Paradise
    1882 Paradise
    1882 Print · USGS
    Humboldt County in the early 1880s remains a frontier landscape of isolated stage stations and high mountain peaks. Genealogists and researchers can trace the early transit network between Paradise City and remote stops like Cane Springs Station and Flynn Station.

  2. 1891 Map of Bear Valley, 1963 Print
    1891 Map of Bear Valley, 1963 Print
    1891 Bear Valley
    1963 Print · USGS
    The Idaho wilderness at the close of the nineteenth century is captured here in this early reconnaissance survey. Researchers can trace the pristine headwaters of the Middle Fork Salmon River and locate historic landmarks like Stanley Lake and Tyee Mtn.

  3. 1892 Map of Mountain Home
    1892 Map of Mountain Home
    1892 Mountain Home
    1892 Print · USGS
    Elmore County's high desert and foothills are captured in the late nineteenth century as the railroad begins to reshape the Idaho territory. Genealogists and historians can trace early transit routes through Mountain Home and Cleft or follow the Boise River near Smith Prairie.

  4. 1892 Map of Boise
    1892 Map of Boise
    1892 Boise
    1892 Print · USGS
    The Boise Valley and surrounding highlands are shown here in the early 1890s as irrigation and railroads transformed the Idaho territory. Researchers can trace the early city grid near Boise Barracks and the paths of the Idaho Central Railroad and the Settlers Canal.

  5. 1892 Map of Bisuka
    1892 Map of Bisuka
    1892 Bisuka
    1892 Print · USGS
    Southern Idaho in the early 1890s was a land defined by the new Oregon Short Line Railroad and the deep cut of the canyon country. Researchers can trace early railroad stops at Bisuka and Kuna or locate the vital Boise Meridian reference at Initial Point.

  6. 1892 Map of Camas Prairie
    1892 Map of Camas Prairie
    1892 Camas Prairie
    1892 Print · USGS
    Elmore County during the territorial era is documented here through its high plateaus and river systems just before the turn of the century. Genealogists and historians can trace early settlements like Pine Grove and the natural landmarks of Camas Prairie and the Snake River.

  7. 1892 Map of Silver City, 1962 Print
    1892 Map of Silver City, 1962 Print
    1892 Silver City
    1962 Print · USGS
    Owyhee County was a center of industrial silver mining in the 1890s, with high-mountain camps and river crossings defining the local economy. Researchers can trace the layout of mining hubs like Silver City and De Lamar or locate the Warm Springs Ferry along the Snake River.
    2 unique versions available

  8. 1893 Map of Mountain Home
    1893 Map of Mountain Home
    1893 Mountain Home
    1893 Print · USGS
    Elmore County during the frontier era of the late nineteenth century centers on the vital rail connection through the high desert. Genealogists and historians can trace the early layout of Mountain Home and Cleft along the Oregon Short Line Union Pacific Railroad.
    4 unique versions available

  9. 1893 Map of Paradise
    1893 Map of Paradise
    1893 Paradise
    1893 Print · USGS
    Humboldt County was a landscape of remote outposts and high-desert ranges in the late nineteenth century. Researchers can trace the early stage and freight routes connecting Paradise City to vital waystations such as Cane Springs Station and Willow Point Station.
    6 unique versions available

  10. 1893 Map of Bear Valley
    1893 Map of Bear Valley
    1893 Bear Valley
    1893 Print · USGS
    Central Idaho in the early 1890s was a wilderness of intersecting watersheds and mountain peaks long before modern infrastructure arrived. Trace the headwaters of the Salmon River and Payette River near Cape Horn and the Sawtooth Range.
    5 unique versions available

  11. 1893 Map of Camas Prairie
    1893 Map of Camas Prairie
    1893 Camas Prairie
    1893 Print · USGS
    Elmore County was a land of high plateaus and river canyons in the years before major irrigation projects. Genealogists and researchers can trace the early layout of Little Camas Prairie and High Prairie, or locate the 1890s settlement at Pine Grove.
    4 unique versions available

  12. 1894 Map of Bisuka
    1894 Map of Bisuka
    1894 Bisuka
    1894 Print · USGS
    Southern Idaho in the 1890s was a landscape defined by the arrival of the rails and the deep canyon of the Snake River. Genealogists and historians can trace the early path of the Oregon Short Line Railroad through Kuna and locate the vital Initial Point survey marker.
    6 unique versions available

  13. 1894 Map of Silver City
    1894 Map of Silver City
    1894 Silver City
    1894 Print · USGS
    The Owyhee mining district and Snake River valley were in their industrial prime during the 1890s. Genealogists and historians can trace high-country settlements like Silver City and De Lamar or locate river crossings such as Warm Springs Ferry.

  14. 1894 Map of Squaw Creek
    1894 Map of Squaw Creek
    1894 Squaw Creek
    1894 Print · USGS
    Central Idaho in the 1890s was a landscape of mountain valleys and river crossings where early pioneers established remote outposts. Trace the locations of historic river access at Smith Ferry and early industry at Walker Mill or the settlement of Ola.
    5 unique versions available

  15. 1894 Map of Idaho Basin
    1894 Map of Idaho Basin
    1894 Idaho Basin
    1894 Print · USGS
    The Idaho Basin at the height of the mining era is revealed here through its network of camps and mountain trails. Genealogists and historians can trace early settlements like Pioneerville, Idaho City, and Placerville alongside landmarks like Halfway House.
    7 unique versions available

  16. 1894 Map of Rocky Bar
    1894 Map of Rocky Bar
    1894 Rocky Bar
    1894 Print · USGS
    Elmore County was a landscape of high-altitude mining camps and river forks in the 1890s. Genealogists and researchers can trace the early layout of remote mountain outposts like Atlanta and Rocky Bar or the banks of the South Fork Boise River.
    5 unique versions available

  17. 1895 Map of Hailey, 1954 Print
    1895 Map of Hailey, 1954 Print
    1895 Hailey
    1954 Print · USGS
    The Wood River Valley was coming into its own in the 1890s as a hub for rail transport and early tourism. Researchers can trace the early path of the Union Pacific R R as it connected Hailey to Ketchum, passing through Gimlet and several remote hot springs like Guyer.
    2 unique versions available

  18. 1897 Map of Boise
    1897 Map of Boise
    1897 Boise
    1897 Print · USGS
    Boise and the surrounding valley are captured here in the late nineteenth century as irrigation and rail networks began to reshape the high desert. Researchers can trace early water rights through the Settlers Canal or locate historic sites like the Boise Barracks and the Natatorium.
    4 unique versions available

  19. 1897 Map of Weiser
    1897 Map of Weiser
    1897 Weiser
    1897 Print · USGS
    The Idaho-Oregon borderlands come alive in the 1890s as the Oregon Short Line connects river towns along the Snake River. Researchers can trace the early footprints of Weiser, Payette, and Middle Valley alongside now-obscure points like Mosquite and Washoe.
    5 unique versions available

  20. 1897 Map of Hailey
    1897 Map of Hailey
    1897 Hailey
    1897 Print · USGS
    Central Idaho in the late nineteenth century was a land of high peaks and river-valley railroads. Trace the early layout of Hailey and Ketchum, the path of the Union Pacific, and landmarks like Guyer Hot Springs.
    3 unique versions available

  21. 1898 Map of Nampa
    1898 Map of Nampa
    1898 Nampa
    1898 Print · USGS
    The Treasure Valley's transformation is visible in the 1890s as railroads and massive irrigation projects began to reshape the high desert. Researchers can trace the development of early rail lines like the Boise Nampa & Owyhee R. R. and early canals such as the Riverside Canal and Newman Canal.
    4 unique versions available

  22. 1898 Map of Silver City
    1898 Map of Silver City
    1898 Silver City
    1898 Print · USGS
    The silver-mining heart of Owyhee County is captured here in the late nineteenth century during its industrial peak. Genealogists and historians can trace old mining camps like Silver City and De Lamar, or locate river crossings such as Warm Springs Ferry.
    3 unique versions available

  23. 1900 Map of Sawtooth
    1900 Map of Sawtooth
    1900 Sawtooth
    1900 Print · USGS
    The high Idaho backcountry was a hub of hard-rock mining and remote outposts during the late 1890s. Genealogists and historians can trace the foundations of silver-era camps like Carrietown and Vienna or locate industrial sites like the Silver King Mine and Columbia Mill.
    4 unique versions available

  24. 1901 Map of Sandpoint
    1901 Map of Sandpoint
    1901 Sandpoint
    1901 Print · USGS
    Northern Idaho in the late nineteenth century was a frontier of timber and rail defined by the massive waters of Pend Oreille Lake. Genealogists and historians can trace early settlements and river crossings like Seneaquoteen, Cocolalla, and the Hamill Ferry.
    3 unique versions available

  25. 1901 Map of Hamilton
    1901 Map of Hamilton
    1901 Hamilton
    1901 Print · USGS
    The Bitterroot Valley in the late nineteenth century is a landscape of emerging rail towns and sophisticated irrigation. Trace the development of early Hamilton and Victor alongside the Northern Pacific Railway and historic canals like Republican Ditch.
    6 unique versions available

Showing maps 1-25 of 11,148

Top cities of Idaho

See more

Top counties of Idaho

See more

Frequently asked questions

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