Llyn Coethlyn, Powys

• Parish/Community: Banwy
• Unitary Authority: Powys
• Region: Wales

• Category: Water Feature
• Type: Other Water Feature

• Latitude/Longitude: 52°43'8"N 3°27'34"W
• Eastings/Northings: 301500, 314500
• OS Grid: SJ015145
• Mapcode Local: GBR 9L.1NWC
• Mapcode Global: WH680.TXP9

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