- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°13'23"N 6°55'1"W
- Eastings/Northings: 111417, 936600
- OS Grid: NB114366
- Mapcode Local: GBR 969Z.Y86
- Mapcode Global: WGX1K.QKCS
Location and coordinates are for the approximate centre of Trathasam within this administrative area.
Geographic features and populated places may cross administrative borders.