- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 51°45'43"N 4°28'39"W
- Eastings/Northings: 229108, 209953
- OS Grid: SN291099
- Mapcode Local: GBR GK.X2YJ
- Mapcode Global: VH3LS.BZN1
Location and coordinates are for the approximate centre of Mackerel Lake within this administrative area.
Geographic features and populated places may cross administrative borders.