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1800s (19th Century) Maps of Ontario, Oregon

Explore 1 historic maps of Ontario from the 1800s (19th Century). These maps offer a rare glimpse into what life looked like during the 1800s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Ontario's landscape evolved across the 1800s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1800s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Ontario's history through authentic maps from the 1800s. This is your window into the past.

Ontario, OR maps

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  1. 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
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Frequently asked questions

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