- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°51'38"N 3°45'56"W
- Eastings/Northings: 278500, 219500
- OS Grid: SN785195
- Mapcode Local: GBR Y5.SYB1
- Mapcode Global: VH5FP.PH1B
Location and coordinates are for the approximate centre of Twrch Fechan within this administrative area.
Geographic features and populated places may cross administrative borders.