- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 52°53'44"N 4°1'19"W
- Eastings/Northings: 264072, 335059
- OS Grid: SH640350
- Mapcode Local: GBR 5V.PMFC
- Mapcode Global: WH55V.5GZY
Location and coordinates are for the approximate centre of Llyn Caerwych within this administrative area.
Geographic features and populated places may cross administrative borders.