Lac à Didier is a Lake located in Sagard; Charlevoix-Est, Quebec.

• Latitude: 48° 3' 59'' North   (decimal: 48.0664142)
• Longitude: 70° 12' 51'' West   (decimal: -70.2142341)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sagard; Charlevoix-Est
• GPS Coordinate Locator Map: Lac à Didier Lat/Long