Lac Bois Sec is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 299 meters.

• Latitude: 49° 0' 31'' North   (decimal: 49.0086111)
• Longitude: 72° 55' 54'' West   (decimal: -72.9316667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 299 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Bois Sec
• GPS Coordinate Locator Map: Lac Bois Sec Lat/Long