- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°0'0"N 3°15'37"W
- Eastings/Northings: 315500, 345500
- OS Grid: SJ155455
- Mapcode Local: GBR 6V.H0GD
- Mapcode Global: WH77W.WVJD
Location and coordinates are for the approximate centre of Llantysilio Mountain within this administrative area.
Geographic features and populated places may cross administrative borders.