Llyn Tan-y-graig, Gwynedd

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

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 52°45'46"N 3°54'37"W
• Eastings/Northings: 271189, 320075
• OS Grid: SH711200
• Mapcode Local: GBR 5Z.Z4KK
• Mapcode Global: WH56G.XT18

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