Porth Llydan, Gwynedd

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

• Category: Water Feature
• Type: Bay

• Latitude/Longitude: 52°54'18"N 4°38'39"W
• Eastings/Northings: 222254, 337456
• OS Grid: SH222374
• Mapcode Local: GBR 51.P07T
• Mapcode Global: WH338.M7LQ

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