- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°50'9"N 3°19'49"W
- Eastings/Northings: 308423, 216091
- OS Grid: SO084160
- Mapcode Local: GBR YR.VJJ4
- Mapcode Global: VH6CL.734Y
Location and coordinates are for the approximate centre of Bryniau Gleision within this administrative area.
Geographic features and populated places may cross administrative borders.