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Old Maps of Monte Rio, California for Hiking & Exploration

Hike through history with 11 historic maps of Monte Rio. 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 Monte Rio.

Monte Rio, CA maps

(11)
  1. 1943 Map of Duncans Mills, 1956 Print
    1943 Map of Duncans Mills, 1956 Print
    1943 Duncans Mills
    1956 Print · USGS
    The Russian River canyon meets the Pacific in the 1940s, showing a landscape of riverside camps and coastal ranches. Trace the locations of Ocean View Sch, the settlement at Jenner, and the historic Duncans Mills river bend.
    2 unique versions available
  4. 1945 Map of Duncans Mills
    1945 Map of Duncans Mills
    1945 Duncans Mills
    1945 Print · USGS
    The Russian River meets the Pacific at the height of the mid-century era, revealing a landscape of riverside retreats and coastal ranching. Genealogists and historians can locate family-named landmarks like Big Buckhorn Ranch and schools such as Ocean View Sch.
    2 unique versions available
  7. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Northern California in the late 1940s was a landscape of agricultural valleys and vital rail hubs. Trace the historic routes of the Northwestern Pacific through Healdsburg or explore the mid-century waterfronts of Vallejo and Benicia near Mare Island.
  10. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    The North Bay and Wine Country appear here in the late 1940s, when the Northwestern Pacific RR still dominated regional transit. Genealogists and historians can trace old coastal outposts like Anchor Bay Settlement and the early layout of Santa Rosa.
    2 unique versions available
  13. 1952 Map of Duncans Mills, 1980 Print
    1952 Map of Duncans Mills, 1980 Print
    1952 Duncans Mills
    1980 Print · USGS
    The Russian River valley in the early 1970s is shown here as a landscape of riverside resorts and rugged Pacific coastline. Genealogists and hikers can trace old routes like Old Duncans Grade Road or locate family sites near Monte Rio and Duncans Mills.
  16. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    The North Bay and Wine Country are captured in the mid-twentieth century as the region balanced its agricultural roots with a growing military and recreational footprint. Researchers can trace the Northwestern Pacific RR through the Russian River valley or locate landmarks like the Petaluma Adobe Historical Monument and The Geysers Resort.
    3 unique versions available
  19. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    The North Bay and Wine Country were entering a period of significant growth in the early sixties, anchored by established rail corridors and coastal maritime commerce. Genealogists and historians can trace the development of Santa Rosa, locate the Mare Island Naval Shipyard, and follow the Northwestern Pacific RR through the Cotati Valley.
  22. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    The North Bay and Wine Country appear in the mid-fifties during a period of significant military and educational growth. Trace old rail lines like the Northwestern Pacific RR and explore historic sites from Petaluma to the Benicia Arsenal.
  25. 1979 Map of Duncans Mills
    1979 Map of Duncans Mills
    1979 Duncans Mills
    1979 Print · USGS
    The Sonoma coast and the lower reaches of the Russian River are captured here in the late 1970s. Researchers can trace the river's path through old settlements like Duncans Mills and Monte Rio or locate coastal landmarks from Penny Island to Duncans Point.
    2 unique versions available
  28. 1982 Map of Bodega Bay, 1983 Print
    1982 Map of Bodega Bay, 1983 Print
    1982 Bodega Bay
    1983 Print · USGS
    The Sonoma coastline and lower Russian River valley are captured here in the early eighties. Researchers can trace riverside hamlets like Monte Rio and Duncans Mills or locate coastal landmarks such as the Lighthouse and Doran County Park.
  31. 2021 Map of Duncans Mills, 2021 Print
    2021 Map of Duncans Mills, 2021 Print
    2021 Duncans Mills
    2021 Print · USGS
    The Sonoma coast and lower Russian River corridor are mapped here during the early 21st century, showing the region's famous riverside resorts and coastal hamlets. Genealogists and local historians can trace family sites at Duncans Mills Cem or explore the layouts of Monte Rio, Villa Grande, and Jenner.
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