Lac Dieppe is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 300 meters.

• Latitude: 49° 30' 17'' North   (decimal: 49.5047222)
• Longitude: 79° 20' 4'' West   (decimal: -79.3344444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 300 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Dieppe
• GPS Coordinate Locator Map: Lac Dieppe Lat/Long