- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°16'22"N 4°14'55"W
- Eastings/Northings: 264500, 822500
- OS Grid: NH645225
- Mapcode Local: GBR H9WH.GJB
- Mapcode Global: WH3G9.PGY9
Location and coordinates are for the approximate centre of Allt M within this administrative area.
Geographic features and populated places may cross administrative borders.