- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°2'8"N 3°56'16"W
- Eastings/Northings: 282500, 795500
- OS Grid: NN825955
- Mapcode Local: GBR JBN3.T3Q
- Mapcode Global: WH4JR.HF29
Location and coordinates are for the approximate centre of Allt M within this administrative area.
Geographic features and populated places may cross administrative borders.