- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°0'3"N 3°11'9"W
- Eastings/Northings: 320500, 345500
- OS Grid: SJ205455
- Mapcode Local: GBR 6Y.GSPS
- Mapcode Global: WH77Y.1T3T
Location and coordinates are for the approximate centre of Eglwyseg River within this administrative area.
Geographic features and populated places may cross administrative borders.