- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°5'16"N 3°26'32"W
- Eastings/Northings: 303500, 355500
- OS Grid: SJ035555
- Mapcode Local: GBR 6L.9JBD
- Mapcode Global: WH77F.3N21
Location and coordinates are for the approximate centre of Foel Gasnach within this administrative area.
Geographic features and populated places may cross administrative borders.