- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°17'31"N 4°26'54"W
- Eastings/Northings: 236906, 380021
- OS Grid: SH369800
- Mapcode Local: GBR HND0.13Q
- Mapcode Global: WH42K.MJX4
Location and coordinates are for the approximate centre of Trefor within this administrative area.
Geographic features and populated places may cross administrative borders.