- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°42'28"N 3°45'35"W
- Eastings/Northings: 278500, 202500
- OS Grid: SN785025
- Mapcode Local: GBR H4.3R02
- Mapcode Global: VH5GG.SB6G
Location and coordinates are for the approximate centre of Dulais within this administrative area.
Geographic features and populated places may cross administrative borders.