Lac Vingt-Trois is a Lake located in L'Anse-Saint-Jean; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 3' 20'' North   (decimal: 48.0555822)
• Longitude: 70° 20' 58'' West   (decimal: -70.3495164)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: L'Anse-Saint-Jean; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Vingt-Trois
• GPS Coordinate Locator Map: Lac Vingt-Trois Lat/Long