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1900s (20th Century) Maps of Merthyr Tydfil, Wales

Explore 33 historic maps of Merthyr Tydfil 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 Merthyr Tydfil'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 Merthyr Tydfil's history through authentic maps from the 1900s. This is your window into the past.

Merthyr Tydfil, Wales maps

(33)
  1. 1903 Map of Brecknockshire XLVI.NW, 1905 Print
    1903 Map of Brecknockshire XLVI.NW, 1905 Print
    1903 Brecknockshire XLVI.NW
    1905 Print · USGS
    Covers Merthyr Tydfil, including Rhymney, Talybont-on-Usk, and other nearby areas
  4. 1903 Map of Brecknockshire XLV.SE, 1905 Print
    1903 Map of Brecknockshire XLV.SE, 1905 Print
    1903 Brecknockshire XLV.SE
    1905 Print · USGS
    Covers Merthyr Tydfil, including Hirwaun, Cyfarthfa, and other nearby areas
  7. 1903 Map of Brecknockshire XLV.NE, 1905 Print
    1903 Map of Brecknockshire XLV.NE, 1905 Print
    1903 Brecknockshire XLV.NE
    1905 Print · USGS
    Covers Merthyr Tydfil, including Hirwaun, Talybont-on-Usk, and other nearby areas
  10. 1903 Map of Brecknockshire XXXIX.SE, 1905 Print
    1903 Map of Brecknockshire XXXIX.SE, 1905 Print
    1903 Brecknockshire XXXIX.SE
    1905 Print · USGS
    Covers Merthyr Tydfil, including Hirwaun, Talybont-on-Usk, and other nearby areas
  13. 1903 Map of Brecknockshire XLVI.SW, 1905 Print
    1903 Map of Brecknockshire XLVI.SW, 1905 Print
    1903 Brecknockshire XLVI.SW
    1905 Print · USGS
    Covers Merthyr Tydfil, including Rhymney, Dowlais, and other nearby areas
  16. 1914 Map of Glamorgan XI.SE, 1921 Print
    1914 Map of Glamorgan XI.SE, 1921 Print
    1914 Glamorgan XI.SE
    1921 Print · USGS
    Covers Merthyr Tydfil, including Aberdare, Aberaman North, and other nearby areas
  19. 1914 Map of Brecknockshire L.NE, 1921 Print
    1914 Map of Brecknockshire L.NE, 1921 Print
    1914 Brecknockshire L.NE
    1921 Print · USGS
    Covers Merthyr Tydfil, including Hirwaun, Aberdare East, and other nearby areas
  22. 1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Glamorgan XIX.SW
    1921 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Abercynon, and other nearby areas
  25. 1914 Map of Brecknockshire L, 1921 Print
    1914 Map of Brecknockshire L, 1921 Print
    1914 Brecknockshire L
    1921 Print · USGS
    Covers Merthyr Tydfil, including Aberdare, Hirwaun, and other nearby areas
  28. 1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Glamorgan XIX.NW
    1921 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Mountain Ash, and other nearby areas
  31. 1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Glamorgan XIX.NE
    1921 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Darran Valley, and other nearby areas
  34. 1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Glamorgan XIX.SE
    1921 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Abercynon, and other nearby areas
  37. 1914 Map of Brecknockshire XLV, 1922 Print
    1914 Map of Brecknockshire XLV, 1922 Print
    1914 Brecknockshire XLV
    1922 Print · USGS
    Covers Merthyr Tydfil, including Hirwaun, Talybont-on-Usk, and other nearby areas
  40. 1914 Map of Brecknockshire XLVI.SW, 1922 Print
    1914 Map of Brecknockshire XLVI.SW, 1922 Print
    1914 Brecknockshire XLVI.SW
    1922 Print · USGS
    Covers Merthyr Tydfil, including Rhymney, Dowlais, and other nearby areas
  43. 1914 Map of Glamorgan XIX, 1922 Print
    1914 Map of Glamorgan XIX, 1922 Print
    1914 Glamorgan XIX
    1922 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Mountain Ash, and other nearby areas
  46. 1914 Map of Brecknockshire XLVI.NW, 1922 Print
    1914 Map of Brecknockshire XLVI.NW, 1922 Print
    1914 Brecknockshire XLVI.NW
    1922 Print · USGS
    Covers Merthyr Tydfil, including Rhymney, Talybont-on-Usk, and other nearby areas
  49. 1914 Map of Brecknockshire LI, 1922 Print
    1914 Map of Brecknockshire LI, 1922 Print
    1914 Brecknockshire LI
    1922 Print · USGS
    Covers Merthyr Tydfil, including Tredegar, Rhymney, and other nearby areas
  52. 1914 Map of Brecknockshire XLVI, 1922 Print
    1914 Map of Brecknockshire XLVI, 1922 Print
    1914 Brecknockshire XLVI
    1922 Print · USGS
    Covers Merthyr Tydfil, including Tredegar, Rhymney, and other nearby areas
  55. 1915 Map of Glamorgan XII.SW, 1922 Print
    1915 Map of Glamorgan XII.SW, 1922 Print
    1915 Glamorgan XII.SW
    1922 Print · USGS
    Covers Merthyr Tydfil, including Mountain Ash East, Cwmbach, and other nearby areas
  58. 1915 Map of Glamorgan XII.NE, 1922 Print
    1915 Map of Glamorgan XII.NE, 1922 Print
    1915 Glamorgan XII.NE
    1922 Print · USGS
    Covers Merthyr Tydfil, including Tredegar, Rhymney, and other nearby areas
  61. 1915 Map of Glamorgan XII.SE, 1922 Print
    1915 Map of Glamorgan XII.SE, 1922 Print
    1915 Glamorgan XII.SE
    1922 Print · USGS
    Covers Merthyr Tydfil, including Rhymney, New Tredegar, and other nearby areas
  64. 1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Glamorgan XIX.SW
    1947 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Abercynon, and other nearby areas
  67. 1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Glamorgan XIX.NE
    1947 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Darran Valley, and other nearby areas
  70. 1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Glamorgan XIX.SE
    1947 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Abercynon, and other nearby areas
  73. 1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Glamorgan XIX.NE
    1951 Print · USGS
    Covers Merthyr Tydfil, including Treharris, Darran Valley, and other nearby areas
Showing maps 1-25 of 33

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