- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°53'11"N 4°20'52"W
- Eastings/Northings: 238500, 223500
- OS Grid: SN385235
- Mapcode Local: GBR DD.RB53
- Mapcode Global: VH3L8.LV63
Location and coordinates are for the approximate centre of Nant Hir within this administrative area.
Geographic features and populated places may cross administrative borders.