Porth Coch Mawr, Pembrokeshire

• Parish/Community: St. David's and the Cathedral Close
• Unitary Authority: Pembrokeshire
• Region: Wales

• Category: Water Feature
• Type: Bay

• Latitude/Longitude: 51°52'11"N 5°16'14"W
• Eastings/Northings: 174928, 224105
• OS Grid: SM749241
• Mapcode Local: GBR C5.S99S
• Mapcode Global: VH0TL.L8D9

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