- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°48'53"N 3°28'21"W
- Eastings/Northings: 300843, 325173
- OS Grid: SJ008251
- Mapcode Local: GBR 6K.VNY8
- Mapcode Global: WH67M.MHJT
Location and coordinates are for the approximate centre of Llyn y Mynydd within this administrative area.
Geographic features and populated places may cross administrative borders.