- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 56°43'37"N 5°57'56"W
- Eastings/Northings: 157500, 766500
- OS Grid: NM575665
- Mapcode Local: GBR CBNY.86P
- Mapcode Global: WGZCN.B5FW
Location and coordinates are for the approximate centre of Lochan nan Sioman within this administrative area.
Geographic features and populated places may cross administrative borders.