- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°7'59"N 4°9'23"W
- Eastings/Northings: 252500, 250500
- OS Grid: SN525505
- Mapcode Local: GBR DN.7PNS
- Mapcode Global: VH3K6.XN04
Location and coordinates are for the approximate centre of Nant Mynach within this administrative area.
Geographic features and populated places may cross administrative borders.