- Category: Geographic Feature
- Type: Other Coastal Landform
- Latitude/Longitude: 54°48'28"N 4°12'33"W
- Eastings/Northings: 258107, 548129
- OS Grid: NX581481
- Mapcode Local: GBR HJZ0.2MC
- Mapcode Global: WH4WG.9FT1
Location and coordinates are for the approximate centre of Three Brethren within this administrative area.
Geographic features and populated places may cross administrative borders.