Lac Alphonse is a Lake located in Saguenay; Saguenay, Quebec and has an elevation of 185 meters.

• Latitude: 48° 22' 29'' North   (decimal: 48.3747222)
• Longitude: 71° 23' 33'' West   (decimal: -71.3925)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 185 meters
• Location: Saguenay; Saguenay
• Atlas of Canada Locator Map: Lac Alphonse
• GPS Coordinate Locator Map: Lac Alphonse Lat/Long