Cronfa Ddwr Dolymynach, Powys

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

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 52°14'32"N 3°36'12"W
• Eastings/Northings: 290611, 261687
• OS Grid: SN906616
• Mapcode Local: GBR YD.0W86
• Mapcode Global: VH5CV.HWBS

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