- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°1'48"N 2°58'32"W
- Eastings/Northings: 334663, 348520
- OS Grid: SJ346485
- Mapcode Local: GBR 76.F3PM
- Mapcode Global: WH895.837G
Location and coordinates are for the approximate centre of Marchwiel Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.