Cwm Du, Powys

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

• Category: Geographic Feature
• Type: Valley

• Latitude/Longitude: 52°4'5"N 3°13'2"W
• Eastings/Northings: 316648, 241776
• OS Grid: SO166417
• Mapcode Local: GBR YX.CVZ6
• Mapcode Global: VH6BH.58YY

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