Lac Marcil is a Lake located in Saint-Michel-des-Saints; Matawinie, Quebec.

• Latitude: 46° 44' 25'' North   (decimal: 46.7403171)
• Longitude: 73° 58' 40'' West   (decimal: -73.9776503)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Michel-des-Saints; Matawinie
• GPS Coordinate Locator Map: Lac Marcil Lat/Long