Cefn Du, Gwynedd

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

• Category: Geographic Feature
• Type: Hill or Mountain

• Latitude/Longitude: 53°7'14"N 4°10'9"W
• Eastings/Northings: 254931, 360352
• OS Grid: SH549603
• Mapcode Local: GBR 5N.7FP0
• Mapcode Global: WH54L.XTTK

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