Lac Octave is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec and has an elevation of 332 meters.

• Latitude: 49° 28' 27'' North   (decimal: 49.4742170)
• Longitude: 68° 19' 52'' West   (decimal: -68.3311427)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 332 meters
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Octave
• GPS Coordinate Locator Map: Lac Octave Lat/Long