- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°50'48"N 3°59'52"W
- Eastings/Northings: 265544, 329566
- OS Grid: SH655295
- Mapcode Local: GBR 5W.SMBK
- Mapcode Global: WH561.KPFY
Location and coordinates are for the approximate centre of Craig Llyn Du within this administrative area.
Geographic features and populated places may cross administrative borders.