Lac Antonin is a Lake located in Lalemant; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 4' 33'' North   (decimal: 48.0758333)
• Longitude: 70° 35' 43'' West   (decimal: -70.5952778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lalemant; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Antonin
• GPS Coordinate Locator Map: Lac Antonin Lat/Long