- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 59°21'40"N 2°26'34"W
- Eastings/Northings: 374927, 1052860
- OS Grid: HY749528
- Mapcode Local: GBR N3BZ.TW9
- Mapcode Global: XH9S1.JYBV
Location and coordinates are for the approximate centre of Loch Gretchen within this administrative area.
Geographic features and populated places may cross administrative borders.