- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°46'29"N 3°57'56"W
- Eastings/Northings: 267500, 321500
- OS Grid: SH675215
- Mapcode Local: GBR 5X.Y94P
- Mapcode Global: WH56G.1JW4
Location and coordinates are for the approximate centre of Afon Cwm-llechen within this administrative area.
Geographic features and populated places may cross administrative borders.