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In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Trefil like this:
TREVIL, a hamlet, with a r. station, on the NW border of Monmouth; on the Merthyr and Abergavenny railway, 1¼ mile ENE of Tredegar.
Trefil is now part of BLAENAU GWENT District. Click here for graphs and data of how BLAENAU GWENT has changed over two centuries. For statistics about Trefil itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Trefil, in Blaenau Gwent and Monmouthshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/24071
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 "Trefil".