- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°47'7"N 3°21'24"W
- Eastings/Northings: 306500, 210500
- OS Grid: SO065105
- Mapcode Local: GBR YQ.YPZD
- Mapcode Global: VH6CR.RDQ6
Location and coordinates are for the approximate centre of Twynau Gwynion within this administrative area.
Geographic features and populated places may cross administrative borders.