Llyn Tomos Lewis, Gwynedd

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

• Category: Water Feature
• Type: Inland Water

• Latitude/Longitude: 53°7'26"N 4°8'8"W
• Eastings/Northings: 257186, 360656
• OS Grid: SH571606
• Mapcode Local: GBR 5P.79T9
• Mapcode Global: WH54M.FRV0

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