- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°46'50"N 3°33'56"W
- Eastings/Northings: 294500, 321500
- OS Grid: SH945215
- Mapcode Local: GBR 6F.XY34
- Mapcode Global: WH67S.6CCK
Location and coordinates are for the approximate centre of Hirddu Fawr within this administrative area.
Geographic features and populated places may cross administrative borders.