- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°40'10"N 3°47'53"W
- Eastings/Northings: 278500, 309500
- OS Grid: SH785095
- Mapcode Local: GBR 94.4X1Z
- Mapcode Global: WH687.M5J8
Location and coordinates are for the approximate centre of Nant Esgair-neiriau within this administrative area.
Geographic features and populated places may cross administrative borders.