- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°24'6"N 3°39'18"W
- Eastings/Northings: 287500, 279500
- OS Grid: SN875795
- Mapcode Local: GBR 9B.PW6K
- Mapcode Global: VH5C1.LWLK
Location and coordinates are for the approximate centre of Nant Troedyresgair within this administrative area.
Geographic features and populated places may cross administrative borders.