In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Trewern like this:
TREWERN and GWYTHLA, a township in Llanvi-hangel-Nantmellan parish, Radnor; 4 miles W by N of New Radnor. Acres, 2,423. Real property, £984. Pop., 108. Houses, 18.
Trewern through time
Trewern is now part of Powys district. Click here for graphs and data of how Powys has changed over two centuries. For statistics about Trewern itself, go to Units and Statistics.
GB Historical GIS / University of Portsmouth, History of Trewern, in Powys and Radnorshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/9102
Date accessed: 25th April 2024
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