- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°51'21"N 5°21'1"W
- Eastings/Northings: 169370, 222803
- OS Grid: SM693228
- Mapcode Local: GBR C2.T7HP
- Mapcode Global: VH0TK.6MR1
Location and coordinates are for the approximate centre of Bancyn-ffald within this administrative area.
Geographic features and populated places may cross administrative borders.