- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 55°58'13"N 3°45'31"W
- Eastings/Northings: 290324, 676656
- OS Grid: NS903766
- Mapcode Local: GBR 1L.WTRQ
- Mapcode Global: WH5R6.76BF
Location and coordinates are for the approximate centre of Old Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.