Llyn Alwen, Conwy

• Parish/Community: Pentrefoelas
• Unitary Authority: Conwy
• Region: Wales

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 53°5'41"N 3°38'51"W
• Eastings/Northings: 289776, 356556
• OS Grid: SH897565
• Mapcode Local: GBR 6B.92FF
• Mapcode Global: WH665.YG8T

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