- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°41'1"N 4°34'5"W
- Eastings/Northings: 218674, 90263
- OS Grid: SX186902
- Mapcode Local: GBR N9.68DG
- Mapcode Global: FRA 17B8.D55
Location and coordinates are for the approximate centre of Trelash within this administrative area.
Geographic features and populated places may cross administrative borders.