- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°1'8"N 3°12'59"W
- Eastings/Northings: 318490, 347532
- OS Grid: SJ184475
- Mapcode Local: GBR 6W.FZ0C
- Mapcode Global: WH77X.KCJZ
Location and coordinates are for the approximate centre of Llantysilio Mountain within this administrative area.
Geographic features and populated places may cross administrative borders.