Lac du Quai is a Lake located in Lac-Ernest; Antoine-Labelle, Quebec and has an elevation of 309 meters.

• Latitude: 46° 14' 27'' North   (decimal: 46.2408333)
• Longitude: 75° 14' 4'' West   (decimal: -75.2344444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 309 meters
• Location: Lac-Ernest; Antoine-Labelle
• Atlas of Canada Locator Map: Lac du Quai
• GPS Coordinate Locator Map: Lac du Quai Lat/Long