- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°1'17"N 4°53'12"W
- Eastings/Northings: 202025, 239830
- OS Grid: SN020398
- Mapcode Local: GBR CP.GVXK
- Mapcode Global: VH1QH.7GW5
Location and coordinates are for the approximate centre of Ynys Dol-rhedyn within this administrative area.
Geographic features and populated places may cross administrative borders.