- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°51'55"N 4°44'27"W
- Eastings/Northings: 237500, 889500
- OS Grid: NH375895
- Mapcode Local: GBR G7NY.554
- Mapcode Global: WH2B1.4KPQ
Location and coordinates are for the approximate centre of Alltan Dubh M within this administrative area.
Geographic features and populated places may cross administrative borders.