Llyn Bryn-du, Conwy

• Parish/Community: Bro Machno
• Unitary Authority: Conwy
• Region: Wales

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 52°59'11"N 3°52'12"W
• Eastings/Northings: 274558, 344863
• OS Grid: SH745448
• Mapcode Local: GBR 61.HVRW
• Mapcode Global: WH55J.J69D

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