Lac Saint-Jean is a Lake located in Saint-Zacharie; Les Etchemins, Quebec.

• Latitude: 46° 9' 5'' North   (decimal: 46.1514000)
• Longitude: 70° 19' 39'' West   (decimal: -70.3274999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Zacharie; Les Etchemins
• GPS Coordinate Locator Map: Lac Saint-Jean Lat/Long