- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 55°44'23"N 3°10'48"W
- Eastings/Northings: 326009, 650241
- OS Grid: NT260502
- Mapcode Local: GBR 6272.B7
- Mapcode Global: WH6TL.3ZYL
Location and coordinates are for the approximate centre of Portmore Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.