Nant Wern-ddu, Powys

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

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 51°49'45"N 3°25'50"W
• Eastings/Northings: 301500, 215500
• OS Grid: SO015155
• Mapcode Local: GBR YM.VX8N
• Mapcode Global: VH6CJ.H84X

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