- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°57'11"N 3°44'15"W
- Eastings/Northings: 280688, 229719
- OS Grid: SN806297
- Mapcode Local: GBR Y6.M5K4
- Mapcode Global: VH5FB.55FL
Location and coordinates are for the approximate centre of Mynydd Myddfai within this administrative area.
Geographic features and populated places may cross administrative borders.