- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 58°18'53"N 6°32'9"W
- Eastings/Northings: 134453, 945208
- OS Grid: NB344452
- Mapcode Local: GBR B67R.C11
- Mapcode Global: WGY2H.K8TM
Location and coordinates are for the approximate centre of Gleann Chàsdail Mhòir within this administrative area.
Geographic features and populated places may cross administrative borders.