- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 51°52'51"N 4°59'13"W
- Eastings/Northings: 194500, 224500
- OS Grid: SM945245
- Mapcode Local: GBR CK.RMN7
- Mapcode Global: VH1R0.HZVB
Location and coordinates are for the approximate centre of Great Treffgarne Mountain within this administrative area.
Geographic features and populated places may cross administrative borders.