- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 54°52'6"N 3°47'40"W
- Eastings/Northings: 284935, 554120
- OS Grid: NX849541
- Mapcode Local: GBR 1DY4.9J
- Mapcode Global: WH5XD.PW9J
Location and coordinates are for the approximate centre of Grennan Hill within this administrative area.
Geographic features and populated places may cross administrative borders.