Lac Mercier is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec.

• Latitude: 50° 43' 27'' North   (decimal: 50.7241667)
• Longitude: 71° 56' 29'' West   (decimal: -71.9413889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Mercier
• GPS Coordinate Locator Map: Lac Mercier Lat/Long