- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°24'50"N 4°18'15"W
- Eastings/Northings: 246937, 393262
- OS Grid: SH469932
- Mapcode Local: GBR HMRP.11Q
- Mapcode Global: WH421.VGG5
Location and coordinates are for the approximate centre of Porthyrychen within this administrative area.
Geographic features and populated places may cross administrative borders.