- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 55°13'48"N 3°50'7"W
- Eastings/Northings: 283372, 594417
- OS Grid: NX833944
- Mapcode Local: GBR 17NY.GZ
- Mapcode Global: WH5VN.1SXX
Location and coordinates are for the approximate centre of Glenmarlin within this administrative area.
Geographic features and populated places may cross administrative borders.