- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 51°44'28"N 3°56'5"W
- Eastings/Northings: 266500, 206500
- OS Grid: SN665065
- Mapcode Local: GBR GY.KG5V
- Mapcode Global: VH4JQ.RH4H
Location and coordinates are for the approximate centre of Upper Lliw Resr within this administrative area.
Geographic features and populated places may cross administrative borders.