- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 55°39'59"N 5°17'36"W
- Eastings/Northings: 192956, 646369
- OS Grid: NR929463
- Mapcode Local: GBR FF9Q.XPD
- Mapcode Global: WH1M8.NTGS
Location and coordinates are for the approximate centre of Gleann Diomhan within this administrative area.
Geographic features and populated places may cross administrative borders.