- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°55'36"N 4°31'32"W
- Eastings/Northings: 246393, 784575
- OS Grid: NN463845
- Mapcode Local: GBR HB6D.V1S
- Mapcode Global: WH3HX.G563
Location and coordinates are for the approximate centre of Eilean nan Tunnag within this administrative area.
Geographic features and populated places may cross administrative borders.