- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°14'32"N 4°35'18"W
- Eastings/Northings: 227377, 374819
- OS Grid: SH273748
- Mapcode Local: GBR HN14.30S
- Mapcode Global: WH42P.HR8R
Location and coordinates are for the approximate centre of Borthwen within this administrative area.
Geographic features and populated places may cross administrative borders.