Tonfanau, Gwynedd

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

• Category: Geographic Feature
• Type: Hill or Mountain

• Latitude/Longitude: 52°36'40"N 4°6'26"W
• Eastings/Northings: 257410, 303580
• OS Grid: SH574035
• Mapcode Local: GBR 8Q.8KBY
• Mapcode Global: WH574.WM9K

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