- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°51'7"N 4°43'28"W
- Eastings/Northings: 216645, 331753
- OS Grid: SH166317
- Mapcode Local: GBR GPQ5.0N1
- Mapcode Global: WH33F.DKGY
Location and coordinates are for the approximate centre of Dyllborth within this administrative area.
Geographic features and populated places may cross administrative borders.