- Category: Geographic Feature
- Type: Valley
- Latitude/Longitude: 50°19'6"N 5°11'21"W
- Eastings/Northings: 173048, 51365
- OS Grid: SW730513
- Mapcode Local: GBR Z5.W1XS
- Mapcode Global: FRA 0806.4E4
Location and coordinates are for the approximate centre of Trevellas Coombe within this administrative area.
Geographic features and populated places may cross administrative borders.