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In 1887, John Bartholomew's Gazetteer of the British Isles described Rhos Y Gwaliau like this:
Rhos-y-Gwalia, eccl. dist., Llanfor par., Merioneth, near Bala, pop. 339.
Rhos Y Gwaliau is now part of GWYNEDD District. Click here for graphs and data of how GWYNEDD has changed over two centuries. For statistics about Rhos Y Gwaliau itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Rhos Y Gwaliau, in Gwynedd and Merionethshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/24311
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 "Rhos Y Gwaliau".