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Old Maps of Treharris, Merthyr Tydfil

Explore 15 old maps of Treharris, spanning from 1868 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Treharris changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Treharris to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Treharris, Merthyr Tydfil maps

(15)
  1. 1868 Map of Glamorgan XIX, 1884 Print
    1868 Map of Glamorgan XIX, 1884 Print
    1868 Glamorgan XIX
    1884 Print · USGS
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  4. 1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Map of Glamorgan XIX.NE, 1901 Print
    1898 Glamorgan XIX.NE
    1901 Print · USGS
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  7. 1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Map of Glamorgan XIX.SE, 1901 Print
    1898 Glamorgan XIX.SE
    1901 Print · USGS
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  10. 1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Map of Glamorgan XIX.SW, 1901 Print
    1898 Glamorgan XIX.SW
    1901 Print · USGS
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  13. 1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Map of Glamorgan XIX.SW, 1921 Print
    1914 Glamorgan XIX.SW
    1921 Print · USGS
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  16. 1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Map of Glamorgan XIX.NW, 1921 Print
    1914 Glamorgan XIX.NW
    1921 Print · USGS
    Covers Treharris, including Mountain Ash, Fernhill, and other nearby areas
  19. 1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Map of Glamorgan XIX.NE, 1921 Print
    1914 Glamorgan XIX.NE
    1921 Print · USGS
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  22. 1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Map of Glamorgan XIX.SE, 1921 Print
    1914 Glamorgan XIX.SE
    1921 Print · USGS
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  25. 1914 Map of Glamorgan XIX, 1922 Print
    1914 Map of Glamorgan XIX, 1922 Print
    1914 Glamorgan XIX
    1922 Print · USGS
    Covers Treharris, including Mountain Ash, Abercynon, and other nearby areas
  28. 1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Map of Glamorgan XIX.SW, 1947 Print
    1938 Glamorgan XIX.SW
    1947 Print · USGS
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  31. 1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Map of Glamorgan XIX.NE, 1947 Print
    1938 Glamorgan XIX.NE
    1947 Print · USGS
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  34. 1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Map of Glamorgan XIX.SE, 1947 Print
    1938 Glamorgan XIX.SE
    1947 Print · USGS
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
  37. 1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Map of Glamorgan XIX.NE, 1951 Print
    1945 Glamorgan XIX.NE
    1951 Print · USGS
    Covers Treharris, including Darran Valley, Gelligaer, and other nearby areas
  40. 1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Map of Glamorgan XIX.SW, 1953 Print
    1948 Glamorgan XIX.SW
    1953 Print · USGS
    Covers Treharris, including Abercynon, Mountain Ash East, and other nearby areas
  43. 1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Map of Glamorgan XIX.SE, 1953 Print
    1948 Glamorgan XIX.SE
    1953 Print · USGS
    Covers Treharris, including Abercynon, Nelson, and other nearby areas
End of results
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