- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°36'29"N 4°43'21"W
- Eastings/Northings: 207445, 82246
- OS Grid: SX074822
- Mapcode Local: GBR N2.C4P1
- Mapcode Global: FRA 07ZG.KWT
Location and coordinates are for the approximate centre of Trewalder within this administrative area.
Geographic features and populated places may cross administrative borders.