Afon Tryweryn, Gwynedd

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

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 52°56'24"N 3°44'6"W
• Eastings/Northings: 283500, 339500
• OS Grid: SH835395
• Mapcode Local: GBR 66.LZ1G
• Mapcode Global: WH66X.LCM9

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