Llyn Geirionydd, Conwy

• Parish/Community: Trefriw
• Unitary Authority: Conwy
• Region: Wales

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 53°7'38"N 3°50'49"W
• Eastings/Northings: 276500, 360500
• OS Grid: SH765605
• Mapcode Local: GBR 62.6V8Z
• Mapcode Global: WH54R.WN6D

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