- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 54°35'54"N 3°25'4"W
- Eastings/Northings: 308500, 523500
- OS Grid: NY085235
- Mapcode Local: GBR 4HK8.VD
- Mapcode Global: WH702.GPQ5
Location and coordinates are for the approximate centre of Mockerkin Tarn within this administrative area.
Geographic features and populated places may cross administrative borders.