- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°0'9"N 3°15'13"W
- Eastings/Northings: 315957, 345773
- OS Grid: SJ159457
- Mapcode Local: GBR 6V.GVGP
- Mapcode Global: WH77W.ZSQF
Location and coordinates are for the approximate centre of Llantysilio Mountain within this administrative area.
Geographic features and populated places may cross administrative borders.