- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°2'31"N 4°10'18"W
- Eastings/Northings: 254495, 351630
- OS Grid: SH544516
- Mapcode Local: GBR 5N.D736
- Mapcode Global: WH54Z.WSLQ
Location and coordinates are for the approximate centre of Trum y Ddysgl within this administrative area.
Geographic features and populated places may cross administrative borders.