- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°46'53"N 3°30'22"W
- Eastings/Northings: 298500, 321500
- OS Grid: SH985215
- Mapcode Local: GBR 6J.XSWD
- Mapcode Global: WH67T.3BMZ
Location and coordinates are for the approximate centre of Lake Vyrnwy within this administrative area.
Geographic features and populated places may cross administrative borders.