- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°52'17"N 3°29'40"W
- Eastings/Northings: 299500, 331500
- OS Grid: SH995315
- Mapcode Local: GBR 6J.R3MF
- Mapcode Global: WH67F.925X
Location and coordinates are for the approximate centre of Foel Cwm-Sian Llwyd within this administrative area.
Geographic features and populated places may cross administrative borders.