- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°8'9"N 5°27'51"W
- Eastings/Northings: 152540, 31955
- OS Grid: SW525319
- Mapcode Local: GBR DXWB.3V0
- Mapcode Global: VH12T.7VL6
Location and coordinates are for the approximate centre of Gwallon within this administrative area.
Geographic features and populated places may cross administrative borders.