- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°13'17"N 5°11'14"W
- Eastings/Northings: 172740, 40587
- OS Grid: SW727405
- Mapcode Local: GBR Z6.22J8
- Mapcode Global: FRA 080F.YR9
Location and coordinates are for the approximate centre of Trevarth within this administrative area.
Geographic features and populated places may cross administrative borders.