- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 56°55'32"N 7°33'14"W
- Eastings/Northings: 62238, 795336
- OS Grid: NL622953
- Mapcode Local: GBR 7BRD.SYF
- Mapcode Global: WGV5C.Y600
Location and coordinates are for the approximate centre of Bàgh Siar within this administrative area.
Geographic features and populated places may cross administrative borders.