- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°37'47"N 4°40'30"W
- Eastings/Northings: 210893, 84536
- OS Grid: SX108845
- Mapcode Local: GBR N4.9QWX
- Mapcode Global: FRA 173D.LG4
Location and coordinates are for the approximate centre of Trefrew within this administrative area.
Geographic features and populated places may cross administrative borders.