- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 55°7'13"N 4°6'28"W
- Eastings/Northings: 265677, 582695
- OS Grid: NX656826
- Mapcode Local: GBR 4Y.MGK6
- Mapcode Global: WH4TY.WK2H
Location and coordinates are for the approximate centre of Half Mark Glen within this administrative area.
Geographic features and populated places may cross administrative borders.