- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°37'28"N 3°15'55"W
- Eastings/Northings: 312500, 192500
- OS Grid: ST125925
- Mapcode Local: GBR HT.8WXY
- Mapcode Global: VH6DL.CF2J
Location and coordinates are for the approximate centre of Mynydd Eglwysilan within this administrative area.
Geographic features and populated places may cross administrative borders.