- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°57'39"N 3°32'32"W
- Eastings/Northings: 296500, 341500
- OS Grid: SH965415
- Mapcode Local: GBR 6G.KJ0N
- Mapcode Global: WH66T.KVD0
Location and coordinates are for the approximate centre of Nant Cwm-da within this administrative area.
Geographic features and populated places may cross administrative borders.