- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°9'2"N 4°32'10"W
- Eastings/Northings: 230500, 364500
- OS Grid: SH305645
- Mapcode Local: GBR 55.5GLB
- Mapcode Global: WH439.926H
Location and coordinates are for the approximate centre of Caernarfon Bay within this administrative area.
Geographic features and populated places may cross administrative borders.