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1900s (20th Century) Maps of Onllwyn, Neath Port Talbot

Explore 17 historic maps of Onllwyn from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Onllwyn's landscape evolved across the 1900s, 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 1900s, 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 Onllwyn's history through authentic maps from the 1900s. This is your window into the past.

Onllwyn, Neath Port Talbot maps

(17)
  1. 1903 Map of Brecknockshire XLIII.SE, 1905 Print
    1903 Map of Brecknockshire XLIII.SE, 1905 Print
    1903 Brecknockshire XLIII.SE
    1905 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Seven Sisters, and other nearby areas
  4. 1903 Map of Brecknockshire XLIV.SW, 1905 Print
    1903 Map of Brecknockshire XLIV.SW, 1905 Print
    1903 Brecknockshire XLIV.SW
    1905 Print · USGS
    Covers Onllwyn, including Glynneath, Seven Sisters, and other nearby areas
  7. 1903 Map of Brecknockshire XLIV.SE, 1906 Print
    1903 Map of Brecknockshire XLIV.SE, 1906 Print
    1903 Brecknockshire XLIV.SE
    1906 Print · USGS
    Covers Onllwyn, including Hirwaun, Rhigos, and other nearby areas
  10. 1913 Map of Glamorgan IX, 1921 Print
    1913 Map of Glamorgan IX, 1921 Print
    1913 Glamorgan IX
    1921 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Cilybebyll, and other nearby areas
  13. 1913 Map of Glamorgan IX.NE, 1921 Print
    1913 Map of Glamorgan IX.NE, 1921 Print
    1913 Glamorgan IX.NE
    1921 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Crynant, and other nearby areas
  16. 1913 Map of Brecknockshire XLIII, 1921 Print
    1913 Map of Brecknockshire XLIII, 1921 Print
    1913 Brecknockshire XLIII
    1921 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Cwarter Bach, and other nearby areas
  19. 1914 Map of Brecknockshire XLIII.SE, 1921 Print
    1914 Map of Brecknockshire XLIII.SE, 1921 Print
    1914 Brecknockshire XLIII.SE
    1921 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Seven Sisters, and other nearby areas
    2 unique versions available
  22. 1914 Map of Glamorgan X.NW, 1921 Print
    1914 Map of Glamorgan X.NW, 1921 Print
    1914 Glamorgan X.NW
    1921 Print · USGS
    Covers Onllwyn, including Glynneath, Blaengwrach, and other nearby areas
  25. 1914 Map of Brecknockshire XLIV, 1921 Print
    1914 Map of Brecknockshire XLIV, 1921 Print
    1914 Brecknockshire XLIV
    1921 Print · USGS
    Covers Onllwyn, including Hirwaun, Rhigos, and other nearby areas
  28. 1914 Map of Brecknockshire XLIV.SW, 1921 Print
    1914 Map of Brecknockshire XLIV.SW, 1921 Print
    1914 Brecknockshire XLIV.SW
    1921 Print · USGS
    Covers Onllwyn, including Glynneath, Seven Sisters, and other nearby areas
  31. 1914 Map of Brecknockshire XLIV.SE, 1921 Print
    1914 Map of Brecknockshire XLIV.SE, 1921 Print
    1914 Brecknockshire XLIV.SE
    1921 Print · USGS
    Covers Onllwyn, including Hirwaun, Rhigos, and other nearby areas
    2 unique versions available
  34. 1914 Map of Brecknockshire XLIX, 1921 Print
    1914 Map of Brecknockshire XLIX, 1921 Print
    1914 Brecknockshire XLIX
    1921 Print · USGS
    Covers Onllwyn, including Hirwaun, Treherbert, and other nearby areas
  37. 1938 Map of Glamorgan X.NW, 1948 Print
    1938 Map of Glamorgan X.NW, 1948 Print
    1938 Glamorgan X.NW
    1948 Print · USGS
    Covers Onllwyn, including Glynneath, Blaengwrach, and other nearby areas
  40. 1948 Map of Brecknockshire XLIV.SW, 1953 Print
    1948 Map of Brecknockshire XLIV.SW, 1953 Print
    1948 Brecknockshire XLIV.SW
    1953 Print · USGS
    Covers Onllwyn, including Glynneath, Seven Sisters, and other nearby areas
  43. 1948 Map of Brecknockshire XLIII.SE, 1953 Print
    1948 Map of Brecknockshire XLIII.SE, 1953 Print
    1948 Brecknockshire XLIII.SE
    1953 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Seven Sisters, and other nearby areas
  46. 1948 Map of Brecknockshire XLIV.SE, 1953 Print
    1948 Map of Brecknockshire XLIV.SE, 1953 Print
    1948 Brecknockshire XLIV.SE
    1953 Print · USGS
    Covers Onllwyn, including Hirwaun, Rhigos, and other nearby areas
  49. 1948 Map of Glamorgan IX.NE, 1953 Print
    1948 Map of Glamorgan IX.NE, 1953 Print
    1948 Glamorgan IX.NE
    1953 Print · USGS
    Covers Onllwyn, including Ystradgynlais, Crynant, and other nearby areas
End of results
Showing maps 1-17 of 17

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  • What are the different types of historical maps available for Onllwyn?
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