Pen y Cerrig Duon, Powys

• Parish/Community: Llanwddyn
• Unitary Authority: Powys
• Region: Wales

• Category: Geographic Feature
• Type: Hill or Mountain

• Latitude/Longitude: 52°50'5"N 3°33'9"W
• Eastings/Northings: 295500, 327500
• OS Grid: SH955275
• Mapcode Local: GBR 6G.TFHR
• Mapcode Global: WH67L.D0HK

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