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Old Maps of Benton County, Washington for Metal Detecting

Plan your next treasure hunt with 98 historic maps of Benton County. 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 Benton County.

Benton County, WA maps

(98)
  1. 1906 Map of Blalock Island, 1954 Print
    1906 Map of Blalock Island, 1954 Print
    1906 Blalock Island
    1954 Print · USGS
    Covers Benton County, including Boardman, Irrigon, and other nearby areas
    2 unique versions available
  4. 1908 Map of Blalock Island
    1908 Map of Blalock Island
    1908 Blalock Island
    1908 Print · USGS
    Covers Benton County, including Boardman, Irrigon, and other nearby areas
    3 unique versions available
  7. 1908 Map of Umatilla
    1908 Map of Umatilla
    1908 Umatilla
    1908 Print · USGS
    Covers Benton County, including Hermiston, Umatilla, and other nearby areas
    3 unique versions available
  10. 1915 Map of Wallulah
    1915 Map of Wallulah
    1915 Wallulah
    1915 Print · USGS
    Covers Benton County, including Welland, Elwood, and other nearby areas
  13. 1915 Map of Prosser, 1957 Print
    1915 Map of Prosser, 1957 Print
    1915 Prosser
    1957 Print · USGS
    Covers Benton County, including Sunnyside, Grandview, and other nearby areas
  16. 1916 Map of Coyote Rapids
    1916 Map of Coyote Rapids
    1916 Coyote Rapids
    1916 Print · USGS
    Covers Benton County, including Grant County, United States, and other nearby areas
    3 unique versions available
  19. 1917 Map of Pasco
    1917 Map of Pasco
    1917 Pasco
    1917 Print · USGS
    Covers Benton County, including Kennewick, Pasco, and other nearby areas
    4 unique versions available
  22. 1917 Map of Priest Rapids
    1917 Map of Priest Rapids
    1917 Priest Rapids
    1917 Print · USGS
    Covers Benton County, including Mattawa, Wanapum Village, and other nearby areas
    2 unique versions available
  25. 1917 Map of Prosser
    1917 Map of Prosser
    1917 Prosser
    1917 Print · USGS
    Covers Benton County, including Sunnyside, Grandview, and other nearby areas
    2 unique versions available
  28. 1918 Map of Wallula, 1942 Print
    1918 Map of Wallula, 1942 Print
    1918 Wallula
    1942 Print · USGS
    Covers Benton County, including Welland, Elwood, and other nearby areas
    2 unique versions available
  31. 1924 Map of Hanford
    1924 Map of Hanford
    1924 Hanford
    1924 Print · USGS
    Covers Benton County, including Grant County, Franklin County, and other nearby areas
    2 unique versions available
  34. 1935 Map of Pendleton
    1935 Map of Pendleton
    1935 Pendleton
    1935 Print · USGS
    Covers Benton County, including Pendleton, Pilot Rock, and other nearby areas
    3 unique versions available
  37. 1948 Map of Cairn Hope Peak, 1958 Print
    1948 Map of Cairn Hope Peak, 1958 Print
    1948 Cairn Hope Peak
    1958 Print · USGS
    Covers Benton County, including Yakima County, United States, and other nearby areas
    3 unique versions available
  40. 1948 Map of Emerson Nipple, 1958 Print
    1948 Map of Emerson Nipple, 1958 Print
    1948 Emerson Nipple
    1958 Print · USGS
    Covers Benton County, including Yakima County, United States, and other nearby areas
    3 unique versions available
  43. 1950 Map of Grandview, 1964 Print
    1950 Map of Grandview, 1964 Print
    1950 Grandview
    1964 Print · USGS
    Covers Benton County, including Sunnyside, Grandview, and other nearby areas
    2 unique versions available
  46. 1951 Map of Priest Rapids
    1951 Map of Priest Rapids
    1951 Priest Rapids
    1951 Print · USGS
    Covers Benton County, including Mattawa, Wanapum Village, and other nearby areas
  49. 1951 Map of Grandview
    1951 Map of Grandview
    1951 Grandview
    1951 Print · USGS
    Covers Benton County, including Sunnyside, Grandview, and other nearby areas
    2 unique versions available
  52. 1951 Map of Richland, 1955 Print
    1951 Map of Richland, 1955 Print
    1951 Richland
    1955 Print · USGS
    Covers Benton County, including Pasco, Richland, and other nearby areas
    3 unique versions available
  55. 1951 Map of Hanford, 1955 Print
    1951 Map of Hanford, 1955 Print
    1951 Hanford
    1955 Print · USGS
    Covers Benton County, including Grant County, Franklin County, and other nearby areas
  58. 1951 Map of Corral Canyon, 1955 Print
    1951 Map of Corral Canyon, 1955 Print
    1951 Corral Canyon
    1955 Print · USGS
    Covers Benton County, including Benton City, Chaffee, and other nearby areas
    3 unique versions available
  61. 1951 Map of Coyote Rapids, 1955 Print
    1951 Map of Coyote Rapids, 1955 Print
    1951 Coyote Rapids
    1955 Print · USGS
    Covers Benton County, including Grant County, United States, and other nearby areas
  64. 1953 Map of Pendleton, 1957 Print
    1953 Map of Pendleton, 1957 Print
    1953 Pendleton
    1957 Print · USGS
    Covers Benton County, including Pendleton, Hermiston, and other nearby areas
    4 unique versions available
  67. 1953 Map of Walla Walla, 1964 Print
    1953 Map of Walla Walla, 1964 Print
    1953 Walla Walla
    1964 Print · USGS
    Covers Benton County, including Kennewick, Pasco, and other nearby areas
    3 unique versions available
  70. 1956 Map of Pendleton
    1956 Map of Pendleton
    1956 Pendleton
    1956 Print · USGS
    Covers Benton County, including Pendleton, Hermiston, and other nearby areas
  73. 1958 Map of Walla Walla
    1958 Map of Walla Walla
    1958 Walla Walla
    1958 Print · USGS
    Covers Benton County, including Kennewick, Pasco, and other nearby areas
Showing maps 1-25 of 98

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Frequently asked questions

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  • What is the oldest map of Benton County?
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  • Are there historical topographic maps available for Benton County?
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  • Where are historical maps of Benton County sourced from?