Lac Gallia is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 331 meters.

• Latitude: 46° 41' 34'' North   (decimal: 46.6927777)
• Longitude: 76° 40' 33'' West   (decimal: -76.6758333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 331 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Gallia
• GPS Coordinate Locator Map: Lac Gallia Lat/Long