Gamhnach Mhòr, Na h-Eileanan Siar

• Unitary Authority: Na h-Eileanan Siar
• Region: Scotland

• Category: Water Feature
• Type: Island

• Latitude/Longitude: 58°14'11"N 6°51'57"W
• Eastings/Northings: 114527, 937858
• OS Grid: NB145378
• Mapcode Local: GBR 96FY.PYL
• Mapcode Global: WGX1L.H7RL

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