Other current and historical names
Location and coordinates are for the approximate centre of Treforest within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Treforest, hamlet with ry. sta., Llantwitvairdre par., Glamorgan, 1¼ mile SE. of Pontypridd Junction and 11¾ miles NW. of Cardiff; P.O., T.O.