- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°17'18"N 4°1'2"W
- Eastings/Northings: 262500, 267500
- OS Grid: SN625675
- Mapcode Local: GBR 8V.XX3M
- Mapcode Global: VH4FZ.BR12
Location and coordinates are for the approximate centre of Ffynnon Drewi within this administrative area.
Geographic features and populated places may cross administrative borders.