In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Cymmer like this:
CYMMER, a village in Llantrissaint parish, Glamorgan; at the confluence of the Rhondda-Vach and Rhondda-Vawr rivers, 15 miles NW of Cardiff. It has a post office under Pontypridd. A fire-damp explosion in a coal-pit here, in 1856, killed 114 colliers.
Additional information about this locality is available for Rhondda
Cymmer through time
Cymmer 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 Cymmer itself, go to Units and Statistics.
GB Historical GIS / University of Portsmouth, History of Cymmer, in Rhondda; Cynon; Taff and Glamorgan | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/23848
Date accessed: 19th March 2025
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