Lac Blenny is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec and has an elevation of 431 meters.

• Latitude: 47° 11' North   (decimal: 47.1832999)
• Longitude: 75° 29' West   (decimal: -75.4832999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 431 meters
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Blenny
• GPS Coordinate Locator Map: Lac Blenny Lat/Long