Llyn Derwen, Denbighshire

• Parish/Community: Derwen
• Unitary Authority: Denbighshire
• Region: Wales

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 53°2'37"N 3°24'47"W
• Eastings/Northings: 305353, 350537
• OS Grid: SJ053505
• Mapcode Local: GBR 6M.DCCF
• Mapcode Global: WH77M.JRWH

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