- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°52'25"N 3°22'27"W
- Eastings/Northings: 305485, 220351
- OS Grid: SO054203
- Mapcode Local: GBR YP.S5NJ
- Mapcode Global: VH6CC.G5HG
Location and coordinates are for the approximate centre of Bwlch y Ddwyallt within this administrative area.
Geographic features and populated places may cross administrative borders.