- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 56°27'58"N 4°36'24"W
- Eastings/Northings: 239500, 733500
- OS Grid: NN395335
- Mapcode Local: GBR HC0M.DLC
- Mapcode Global: WH3L0.6QKS
Location and coordinates are for the approximate centre of Allt Challuim within this administrative area.
Geographic features and populated places may cross administrative borders.