- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 55°17'45"N 2°31'35"W
- Eastings/Northings: 366658, 600344
- OS Grid: NT666003
- Mapcode Local: GBR B7S6.S9
- Mapcode Global: WH8ZH.543S
Location and coordinates are for the approximate centre of Grey Mares Knowe within this administrative area.
Geographic features and populated places may cross administrative borders.