- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°12'22"N 3°29'12"W
- Eastings/Northings: 298500, 257500
- OS Grid: SN985575
- Mapcode Local: GBR YK.31RS
- Mapcode Global: VH5D3.JS1Z
Location and coordinates are for the approximate centre of Hirnant within this administrative area.
Geographic features and populated places may cross administrative borders.