Lac Janvier is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 24' 33'' North   (decimal: 50.4091922)
• Longitude: 66° 49' 16'' West   (decimal: -66.8209777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Janvier
• GPS Coordinate Locator Map: Lac Janvier Lat/Long