- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 55°47'56"N 4°36'26"W
- Eastings/Northings: 236655, 659281
- OS Grid: NS366592
- Mapcode Local: GBR 3B.7PPC
- Mapcode Global: WH3P9.6H7P
Location and coordinates are for the approximate centre of Castle Semple Loch within this administrative area.
Geographic features and populated places may cross administrative borders.