Lac Didier is a Lake located in Mont-Carmel; Kamouraska, Quebec and has an elevation of 519 meters.

• Latitude: 47° 14' 47'' North   (decimal: 47.2463889)
• Longitude: 69° 39' 11'' West   (decimal: -69.6530555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 519 meters
• Location: Mont-Carmel; Kamouraska
• Atlas of Canada Locator Map: Lac Didier
• GPS Coordinate Locator Map: Lac Didier Lat/Long