Lac Saint-Alexis is a Lake located in Saint-Michel-des-Saints; Matawinie, Quebec and has an elevation of 426 meters.

• Latitude: 46° 41' 57'' North   (decimal: 46.6992061)
• Longitude: 73° 59' 57'' West   (decimal: -73.9990401)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Saint-Michel-des-Saints; Matawinie
• Atlas of Canada Locator Map: Lac Saint-Alexis
• GPS Coordinate Locator Map: Lac Saint-Alexis Lat/Long