- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°2'48"N 2°7'21"W
- Eastings/Northings: 391500, 127500
- OS Grid: ST915275
- Mapcode Local: GBR 1X6.B4Z
- Mapcode Global: FRA 66FC.4VJ
Location and coordinates are for the approximate centre of River Sem within this administrative area.
Geographic features and populated places may cross administrative borders.