- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 54°19'14"N 1°59'53"W
- Eastings/Northings: 400219, 491692
- OS Grid: SE002916
- Mapcode Local: GBR GLHG.6W
- Mapcode Global: WHB5J.8NRG
Location and coordinates are for the approximate centre of Locker Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.