- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°49'23"N 3°51'57"W
- Eastings/Northings: 271500, 215500
- OS Grid: SN715155
- Mapcode Local: GBR Y1.W9QN
- Mapcode Global: VH4JC.YF4L
Location and coordinates are for the approximate centre of Nant Melyn within this administrative area.
Geographic features and populated places may cross administrative borders.