Porth Twr-bach, Isle of Anglesey

• Parish/Community: Rhosyr
• Unitary Authority: Isle of Anglesey
• Region: Wales

• Category: Water Feature
• Type: Bay

• Latitude/Longitude: 53°8'1"N 4°24'52"W
• Eastings/Northings: 238570, 362347
• OS Grid: SH385623
• Mapcode Local: GBR 5B.6N39
• Mapcode Global: WH43C.5H3D

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