- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 56°17'30"N 4°20'10"W
- Eastings/Northings: 255500, 713500
- OS Grid: NN555135
- Mapcode Local: GBR 0W.7HV6
- Mapcode Global: WH3M3.C3BX
Location and coordinates are for the approximate centre of Allt M within this administrative area.
Geographic features and populated places may cross administrative borders.