- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°22'36"N 2°37'26"W
- Eastings/Northings: 359572, 498085
- OS Grid: SD595980
- Mapcode Local: GBR BK3T.QV
- Mapcode Global: WH93W.N8Q2
Location and coordinates are for the approximate centre of Grayrigg Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.