Lac Ontonganona is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 502 meters.

• Latitude: 48° 13' 16'' North   (decimal: 48.2211736)
• Longitude: 74° 4' 28'' West   (decimal: -74.0745659)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 502 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Ontonganona
• GPS Coordinate Locator Map: Lac Ontonganona Lat/Long