- Category: Water Feature
- Type: Wetland
- Latitude/Longitude: 53°13'38"N 4°9'32"W
- Eastings/Northings: 255969, 372222
- OS Grid: SH559722
- Mapcode Local: GBR 5N.0Q4W
- Mapcode Global: WH547.24RK
Location and coordinates are for the approximate centre of Ynys Bach within this administrative area.
Geographic features and populated places may cross administrative borders.