- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°6'25"N 3°58'50"W
- Eastings/Northings: 267500, 358500
- OS Grid: SH675585
- Mapcode Local: GBR 5W.8CHR
- Mapcode Global: WH54W.T5L9
Location and coordinates are for the approximate centre of Llyn Caseg-fraith within this administrative area.
Geographic features and populated places may cross administrative borders.