- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°20'26"N 3°53'54"W
- Eastings/Northings: 270767, 273095
- OS Grid: SN707730
- Mapcode Local: GBR 90.TNSK
- Mapcode Global: VH4FV.CFYG
Location and coordinates are for the approximate centre of Llyn Rhos-llwyd within this administrative area.
Geographic features and populated places may cross administrative borders.