- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°18'58"N 3°46'0"W
- Eastings/Northings: 279656, 270161
- OS Grid: SN796701
- Mapcode Local: GBR 95.WC5H
- Mapcode Global: VH5CK.N1FN
Location and coordinates are for the approximate centre of Llyn Fyrddon Fach within this administrative area.
Geographic features and populated places may cross administrative borders.