- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°54'37"N 3°14'35"W
- Eastings/Northings: 316500, 335500
- OS Grid: SJ165355
- Mapcode Local: GBR 6V.NQQJ
- Mapcode Global: WH78H.43YM
Location and coordinates are for the approximate centre of Pen Llyn-gloyw within this administrative area.
Geographic features and populated places may cross administrative borders.