- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°57'46"N 4°0'14"W
- Eastings/Northings: 265500, 342500
- OS Grid: SH655425
- Mapcode Local: GBR 5V.KCWB
- Mapcode Global: WH55G.GSLD
Location and coordinates are for the approximate centre of Llyn y Garnedd-uchaf within this administrative area.
Geographic features and populated places may cross administrative borders.