Llyn Bach, Gwynedd

• Built-Up Area: Porthmadog
• Parish/Community: Porthmadog
• Unitary Authority: Gwynedd
• Region: Wales

• Category: Water Feature
• Type: Bay

• Latitude/Longitude: 52°55'37"N 4°7'31"W
• Eastings/Northings: 257219, 338758
• OS Grid: SH572387
• Mapcode Local: GBR 5Q.MLB4
• Mapcode Global: WH55L.LPP9

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