- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 53°1'27"N 3°4'53"W
- Eastings/Northings: 327550, 347977
- OS Grid: SJ275479
- Mapcode Local: GBR 72.FFY5
- Mapcode Global: WH77Z.M7SX
Location and coordinates are for the approximate centre of Ty Mawr Reservoir within this administrative area.
Geographic features and populated places may cross administrative borders.