- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 57°30'20"N 4°44'17"W
- Eastings/Northings: 236053, 849458
- OS Grid: NH360494
- Mapcode Local: GBR G8PW.DG1
- Mapcode Global: WH2CS.6L1Z
Location and coordinates are for the approximate centre of Orrin Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.