- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 58°31'43"N 4°40'4"W
- Eastings/Northings: 244758, 963148
- OS Grid: NC447631
- Mapcode Local: GBR G6V5.W0M
- Mapcode Global: WH26S.8WGP
Location and coordinates are for the approximate centre of Loch Sian within this administrative area.
Geographic features and populated places may cross administrative borders.