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In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Ystradmynach like this:
YSTRAD, or Ystradymynach, a hamlet adjacent to the mutual boundary of Monmouth and Glamorgan; on the Rhymney Valley railway, 10¼ miles N of Cardiff. It has a post-office under Cardiff.
Ystradmynach is now part of CAERPHILLY District. Click here for graphs and data of how CAERPHILLY has changed over two centuries. For statistics about Ystradmynach itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Ystradmynach, in Caerphilly and Glamorgan | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/24421
Date accessed: 08th April 2026
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Ystradmynach".