- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 58°24'40"N 4°19'43"W
- Eastings/Northings: 264051, 949336
- OS Grid: NC640493
- Mapcode Local: GBR H6PH.FY4
- Mapcode Global: WH38N.GVY8
Location and coordinates are for the approximate centre of Coir' Achadh nan Sac within this administrative area.
Geographic features and populated places may cross administrative borders.