Llyn Grych-y-waun, Gwynedd

• Parish/Community: Llanuwchllyn
• Unitary Authority: Gwynedd
• Region: Wales

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 52°50'59"N 3°45'39"W
• Eastings/Northings: 281500, 329500
• OS Grid: SH815295
• Mapcode Local: GBR 65.SJW0
• Mapcode Global: WH679.6M8J

Location and coordinates are for the approximate centre of Llyn Grych-y-waun within this administrative area. Geographic features and populated places may cross administrative borders.