- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°21'51"N 3°36'7"W
- Eastings/Northings: 291004, 275248
- OS Grid: SN910752
- Mapcode Local: GBR 9D.S3RX
- Mapcode Global: VH5C8.JT1T
Location and coordinates are for the approximate centre of Tan y-berth within this administrative area.
Geographic features and populated places may cross administrative borders.