- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°51'36"N 4°58'35"W
- Eastings/Northings: 223500, 889500
- OS Grid: NH235895
- Mapcode Local: GBR G72Y.K7L
- Mapcode Global: WH29X.JPFS
Location and coordinates are for the approximate centre of Allt Siolar within this administrative area.
Geographic features and populated places may cross administrative borders.