- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°51'5"N 2°52'31"W
- Eastings/Northings: 339801, 217339
- OS Grid: SO398173
- Mapcode Local: GBR FC.THCV
- Mapcode Global: VH793.3QRL
Location and coordinates are for the approximate centre of Bryn Deri within this administrative area.
Geographic features and populated places may cross administrative borders.