- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 57°0'16"N 6°20'4"W
- Eastings/Northings: 136914, 798744
- OS Grid: NM369987
- Mapcode Local: GBR BBR6.F9F
- Mapcode Global: WGY8Z.N6RG
Location and coordinates are for the approximate centre of Prìomh-Loch Mòr within this administrative area.
Geographic features and populated places may cross administrative borders.