- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 50°31'51"N 5°1'40"W
- Eastings/Northings: 185500, 74500
- OS Grid: SW855745
- Mapcode Local: GBR ZG.PNGL
- Mapcode Global: FRA 07CN.F0Q
Location and coordinates are for the approximate centre of Treyarnon Bay within this administrative area.
Geographic features and populated places may cross administrative borders.