- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°13'56"N 4°32'32"W
- Eastings/Northings: 230410, 373616
- OS Grid: SH304736
- Mapcode Local: GBR 55.07AP
- Mapcode Global: WH42X.607S
Location and coordinates are for the approximate centre of Ynys Feurig within this administrative area.
Geographic features and populated places may cross administrative borders.