- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 58°19'16"N 4°50'40"W
- Eastings/Northings: 233500, 940500
- OS Grid: NC335405
- Mapcode Local: GBR G6DQ.ZP0
- Mapcode Global: WH27V.K3BL
Location and coordinates are for the approximate centre of Alltan Iomhair within this administrative area.
Geographic features and populated places may cross administrative borders.