- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°49'17"N 3°58'54"W
- Eastings/Northings: 263500, 215500
- OS Grid: SN635155
- Mapcode Local: GBR DW.WJYX
- Mapcode Global: VH4J9.XHS2
Location and coordinates are for the approximate centre of Gwyddfan within this administrative area.
Geographic features and populated places may cross administrative borders.