- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°35'40"N 3°59'13"W
- Eastings/Northings: 265500, 301500
- OS Grid: SH655015
- Mapcode Local: GBR 8W.9QYV
- Mapcode Global: WH57D.Q1LQ
Location and coordinates are for the approximate centre of Trum Gelli within this administrative area.
Geographic features and populated places may cross administrative borders.