- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°49'37"N 3°56'3"W
- Eastings/Northings: 266796, 216051
- OS Grid: SN667160
- Mapcode Local: GBR DY.W4RF
- Mapcode Global: VH4JB.RBFM
Location and coordinates are for the approximate centre of Mynydd Isaf within this administrative area.
Geographic features and populated places may cross administrative borders.