- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°7'6"N 3°49'54"W
- Eastings/Northings: 277500, 359500
- OS Grid: SH775595
- Mapcode Local: GBR 62.7KPR
- Mapcode Global: WH65X.3WL3
Location and coordinates are for the approximate centre of Llyn y Sarnau within this administrative area.
Geographic features and populated places may cross administrative borders.