Lac Welch is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec.

• Latitude: 47° 1' 8'' North   (decimal: 47.0188889)
• Longitude: 75° 4' 53'' West   (decimal: -75.0813889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Douaire; Antoine-Labelle
• GPS Coordinate Locator Map: Lac Welch Lat/Long