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In 1887, John Bartholomew's Gazetteer of the British Isles described Ynys Hir like this:
Ynishir, colliery and ry. sta., Glamorgan, 4 miles NW. of Pontypridd; P.O., called Ynyshir.
Ynys Hir is now part of RHONDDA; CYNON; TAFF District. Click here for graphs and data of how RHONDDA; CYNON; TAFF has changed over two centuries. For statistics about Ynys Hir itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Ynys Hir, in Rhondda; Cynon; Taff and Glamorgan | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/24419
Date accessed: 09th February 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 "Ynys Hir".
