- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°48'22"N 7°39'43"W
- Eastings/Northings: 54574, 782612
- OS Grid: NL545826
- Mapcode Local: GBR 7BGQ.RBN
- Mapcode Global: WGV5X.86N1
Location and coordinates are for the approximate centre of Arnamul within this administrative area.
Geographic features and populated places may cross administrative borders.