- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°17'41"N 3°3'26"W
- Eastings/Northings: 327984, 266831
- OS Grid: SO279668
- Mapcode Local: GBR B3.XKYF
- Mapcode Global: VH76V.YLJ2
Location and coordinates are for the approximate centre of Gilfach Hill within this administrative area.
Geographic features and populated places may cross administrative borders.