- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°34'12"N 2°49'3"W
- Eastings/Northings: 345952, 408490
- OS Grid: SD459084
- Mapcode Local: GBR 8WR4.SX
- Mapcode Global: WH86J.PJGC
Location and coordinates are for the approximate centre of Postillion Cap within this administrative area.
Geographic features and populated places may cross administrative borders.