Llyn Du, Powys

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

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 52°33'35"N 3°27'59"W
• Eastings/Northings: 300673, 296780
• OS Grid: SO006967
• Mapcode Local: GBR 9L.CTBL
• Mapcode Global: WH68S.QXFG

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