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Old Maps of Grant County, Oregon

Explore 672 old maps of Grant County, spanning from 1901 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 Grant 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 Grant County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Grant County, OR maps

(672)
  1. 1901 Map of Sumpter
    1901 Map of Sumpter
    1901 Sumpter
    1901 Print · USGS
    The Oregon gold boom is at its peak in this turn-of-the-century survey of the high Elkhorn Range. Miners and genealogists can trace the early rail corridor of the Sumpter Valley River and locate historic camps like Bourne, Belleview, and French Diggings.
    4 unique versions available
  4. 1908 Map of Ironside Mountain
    1908 Map of Ironside Mountain
    1908 Ironside Mountain
    1908 Print · USGS
    Eastern Oregon ranching and timber frontiers come alive in this survey of the Blue Mountains region at the turn of the century. Researchers can trace early family holdings like Tureman's Ranch and Hunter's Ranch, or locate the historic Otis Sawmill.
    2 unique versions available
  7. 1932 Map of Dayville, 1958 Print
    1932 Map of Dayville, 1958 Print
    1932 Dayville
    1958 Print · USGS
    Central Oregon ranching and timber frontiers are captured here in the early 1930s, documenting a remote landscape of high plateaus and river valleys. Genealogists and historians can locate family landmarks like Congleton Ranch, the ruins of Camp Watson, and early rural school sites like Beaver Creek Sch.
  10. 1936 Map of Dayville
    1936 Map of Dayville
    1936 Dayville
    1936 Print · USGS
    In the early 1930s, this portion of Central Oregon was a landscape of high timber and remote cattle ranches along the John Day River. Researchers can trace the era's ranching families at Dexter Ranch and Mills Ranch, or find the location of the Old Bear Creek Sawmill and Fort Camp Watson.
    3 unique versions available
  13. 1940 Map of Mount Vernon, 1959 Print
    1940 Map of Mount Vernon, 1959 Print
    1940 Mount Vernon
    1959 Print · USGS
    Mount Vernon and the John Day River valley are shown here just before mid-century, capturing a landscape of remote ranches and forest lookouts. Genealogists can locate family landmarks like Fletcher Ranch, Belshaw Sch, and the Cinnabar Mine.
    2 unique versions available
  16. 1940 Map of Aldrich Mtn., 1960 Print
    1940 Map of Aldrich Mtn., 1960 Print
    1940 Aldrich Mtn.
    1960 Print · USGS
    Grant County ranching and timber management are captured here just before the mid-century, following the winding John Day River. You can trace early 20th-century family history through the Mountain View Sch and various homesteads like Clark Ranch and Weaver Cabin.
    2 unique versions available
  19. 1940 Map of John Day, 1960 Print
    1940 Map of John Day, 1960 Print
    1940 John Day
    1960 Print · USGS
    Grant County is captured here at the end of the 1930s as a region defined by high-desert ranching and the remnants of a gold-mining boom. Genealogists can trace early landmarks like Canyon City, the Joaquin Miller Resort, and several abandoned workings such as the Iron King Mine.
    2 unique versions available
  22. 1943 Map of Aldrich Mtn.
    1943 Map of Aldrich Mtn.
    1943 Aldrich Mtn.
    1943 Print · USGS
    Grant County ranching and mining life are detailed here in the early 1940s, showing a remote landscape connected by river crossings and mountain trails. Researchers can locate family landmarks like the Aldrich Grave, Black Ranch, and the Oregon Mine.
    2 unique versions available
  25. 1943 Map of John Day
    1943 Map of John Day
    1943 John Day
    1943 Print · USGS
    Grant County is captured during the early 1940s, showing the intersection of ranching and the waning mining era near Canyon City. Genealogists and historians can locate family landmarks like the Kuhl Ranch or trace the history of the Golden West Mine (abandoned) and Marysville Sch.
    2 unique versions available
  28. 1943 Map of Mount Vernon
    1943 Map of Mount Vernon
    1943 Mount Vernon
    1943 Print · USGS
    Mount Vernon and the surrounding Grant County highlands are seen here during the early 1940s as a hub for ranching and mercury mining. Genealogists and historians can locate early homesteads and community centers like the Belshaw Sch, Koehler Ranch, and the Cinnabar Mine.
  31. 1949 Map of Long Creek, 1959 Print
    1949 Map of Long Creek, 1959 Print
    1949 Long Creek
    1959 Print · USGS
    Grant County is captured here in the late 1940s, showing a high-country landscape of timber and ranching before modern development. Genealogists and historians can locate old rural hubs like Round Basin School and trace industrial sites such as Fox Mill and the Cohoe Mine.
    2 unique versions available
  34. 1949 Map of Susanville, 1966 Print
    1949 Map of Susanville, 1966 Print
    1949 Susanville
    1966 Print · USGS
    Grant County’s high country is captured here during the post-war era, showing the intersection of the Malheur National Forest and Whitman National Forest. Local historians can trace early wilderness infrastructure at Galena, the Hi Yu Guard Station, and isolated sites like Hamburger Cabin.
  37. 1950 Map of Ritter, 1964 Print
    1950 Map of Ritter, 1964 Print
    1950 Ritter
    1964 Print · USGS
    The river forks of Grant County are documented here mid-century, showing the isolated ranching and timber communities of the Blue Mountains. Genealogists and local historians can trace family-named landmarks like Ritter Cemetery, Threemile School, and the local Lumber Mill.
    2 unique versions available
  40. 1951 Map of Susanville
    1951 Map of Susanville
    1951 Susanville
    1951 Print · USGS
    The Middle Fork of the John Day River corridor is shown here in the mid-twentieth century, at the meeting of two national forests. Genealogists and researchers can trace the roads and trails connecting Susanville, Galena, and the remote HiYu Guard Station.
    2 unique versions available
  43. 1951 Map of Long Creek
    1951 Map of Long Creek
    1951 Long Creek
    1951 Print · USGS
    Mid-century Grant County is defined here by its high-altitude timber and mining operations within the Malheur National Forest. Researchers can locate early forest infrastructure like the Black Butte Lookout alongside local industry at the Fox Mill and Cohoe Mine.
    2 unique versions available
  46. 1951 Map of Courtrock, 1952 Print
    1951 Map of Courtrock, 1952 Print
    1951 Courtrock
    1952 Print · USGS
    Settlement and high-country ranching define this portion of central Oregon in the early fifties. Genealogists and historians can trace the foundations of the Hamilton community, locating the Courtrock school and landmarks like Courthouse Rock.
    3 unique versions available
  49. 1951 Map of Monument, 1953 Print
    1951 Map of Monument, 1953 Print
    1951 Monument
    1953 Print · USGS
    The Grant and Morrow County borderlands in the early 1950s center on the vital confluence of the John Day River forks. Genealogists and historians can trace old homestead sites near the Top School (Aband) or explore the remote canyon reaches of Monument and Kimberly.
    3 unique versions available
  52. 1951 Map of Dale, 1953 Print
    1951 Map of Dale, 1953 Print
    1951 Dale
    1953 Print · USGS
    The northern Blue Mountains come into focus in the 1950s, where the North Fork John Day River divides Grant and Umatilla counties. Researchers can trace the era's mining and forest service history through landmarks like the Keeney Mine, Dale Ranger Sta, and Peep Creek Camp.
    4 unique versions available
  55. 1951 Map of Bates, 1953 Print
    1951 Map of Bates, 1953 Print
    1951 Bates
    1953 Print · USGS
    The high country of Grant and Baker counties is captured here in the early fifties during a period of active mountain forestry and mining. Genealogists and historians can trace old claims like the Ben Harrison Mine and Standard Mine or locate the settlement at Bates.
    3 unique versions available
  58. 1951 Map of Desolation Butte, 1954 Print
    1951 Map of Desolation Butte, 1954 Print
    1951 Desolation Butte
    1954 Print · USGS
    Grant County in the early fifties was a rugged landscape of forest service stations and remote mining claims. Genealogists and historians can trace old resource camps like Headquarters Camp and Miners Cabin, or locate vanished operations such as Gutridge Mine.
    3 unique versions available
  61. 1952 Map of Ritter
    1952 Map of Ritter
    1952 Ritter
    1952 Print · USGS
    The Ritter community and the North Fork John Day River corridor are frozen in time during the early fifties. Genealogists and local historians can locate rural landmarks like Ritter Hot Springs, Threemile School, and Ritter Cemetery.
    2 unique versions available
  64. 1953 Map of Kimberly, 1955 Print
    1953 Map of Kimberly, 1955 Print
    1953 Kimberly
    1955 Print · USGS
    The high desert of Grant and Wheeler counties comes into focus in the early 1950s, centered on the John Day River and its rugged basins. Researchers can locate remote landmarks like the Haystack Cem, the Bull Prairie Guard Sta, and the settlement of Kimberly.
    2 unique versions available
  67. 1953 Map of Picture, 1955 Print
    1953 Map of Picture, 1955 Print
    1953 Picture
    1955 Print · USGS
    The John Day River country in the early fifties remains a landscape of isolated homesteads and dramatic geology. Researchers can locate several historic properties like Cant Ranch and Mascall Ranch, or trace the canyon through Picture Gorge.
    3 unique versions available
  70. 1955 Map of Burns, 1964 Print
    1955 Map of Burns, 1964 Print
    1955 Burns
    1964 Print · USGS
    Harney County's high desert ranching and timber heartland is captured here in the mid-fifties, centered on the hub of Burns and Hines. Genealogists and researchers can locate remote landmarks like the Suntex School, New Princeton P. O., and the Lumber Mill.
    3 unique versions available
  73. 1955 Map of Canyon City, 1966 Print
    1955 Map of Canyon City, 1966 Print
    1955 Canyon City
    1966 Print · USGS
    Central Oregon's high desert and timber country are captured here in the mid-fifties, showing the rugged ranching and logging landscape. Trace the path of the Sumpter Valley Ry or locate remote settlements like Izee, Whitney, and Ritter.
    4 unique versions available
Showing maps 1-25 of 672

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