Second lac Blache is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 484 meters.

• Latitude: 47° 44' 37'' North   (decimal: 47.7436111)
• Longitude: 71° 58' 34'' West   (decimal: -71.9761111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 484 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Second lac Blache
• GPS Coordinate Locator Map: Second lac Blache Lat/Long