- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 57°0'41"N 2°51'57"W
- Eastings/Northings: 347500, 791500
- OS Grid: NO475915
- Mapcode Local: GBR WN.D74Z
- Mapcode Global: WH7NV.Y1C4
Location and coordinates are for the approximate centre of Alltan Roy within this administrative area.
Geographic features and populated places may cross administrative borders.