- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°58'6"N 4°4'36"W
- Eastings/Northings: 257427, 232040
- OS Grid: SN574320
- Mapcode Local: GBR DR.L5G0
- Mapcode Global: VH4HH.9S39
Location and coordinates are for the approximate centre of Pen-y-garn within this administrative area.
Geographic features and populated places may cross administrative borders.