- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°11'7"N 5°28'56"W
- Eastings/Northings: 151500, 37500
- OS Grid: SW515375
- Mapcode Local: GBR DXV6.1K0
- Mapcode Global: VH12L.XLJT
Location and coordinates are for the approximate centre of Trewartha within this administrative area.
Geographic features and populated places may cross administrative borders.