- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 56°13'9"N 3°15'1"W
- Eastings/Northings: 322556, 703657
- OS Grid: NO225036
- Mapcode Local: GBR 26.D1QS
- Mapcode Global: WH6R7.1YG5
Location and coordinates are for the approximate centre of Holl Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.