- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°13'24"N 5°36'16"W
- Eastings/Northings: 182500, 820500
- OS Grid: NG825205
- Mapcode Local: GBR D9JM.RMY
- Mapcode Global: WH0BF.WPCT
Location and coordinates are for the approximate centre of Allt M within this administrative area.
Geographic features and populated places may cross administrative borders.