- Category: Populated Place
- Type: Village
- Latitude/Longitude: 50°17'5"N 5°14'21"W
- Eastings/Northings: 169345, 47796
- OS Grid: SW693477
- Mapcode Local: GBR Z3.90V3
- Mapcode Global: VH12C.43LC
Location and coordinates are for the approximate centre of Porthtowan within this administrative area.
Geographic features and populated places may cross administrative borders.