Llyn Du, Gwynedd

• Parish/Community: Llanbedr
• Unitary Authority: Gwynedd
• Region: Wales

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 52°50'43"N 3°59'50"W
• Eastings/Northings: 265586, 329399
• OS Grid: SH655293
• Mapcode Local: GBR 5W.STQ2
• Mapcode Global: WH561.KRR2

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