- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°24'55"N 4°21'15"W
- Eastings/Northings: 243635, 393520
- OS Grid: SH436935
- Mapcode Local: GBR HMMN.VM8
- Mapcode Global: WH421.2FV3
Location and coordinates are for the approximate centre of Traeth Dynion within this administrative area.
Geographic features and populated places may cross administrative borders.