- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 53°24'0"N 4°17'54"W
- Eastings/Northings: 247284, 391720
- OS Grid: SH472917
- Mapcode Local: GBR HMRQ.9R7
- Mapcode Global: WH421.YS8Q
Location and coordinates are for the approximate centre of Mynydd Eilian within this administrative area.
Geographic features and populated places may cross administrative borders.