Lac Plessis is a Lake located in Lac-Ministuk; Le Fjord-du-Saguenay, Quebec and has an elevation of 371 meters.

• Latitude: 48° 14' 10'' North   (decimal: 48.2361111)
• Longitude: 71° 31' 46'' West   (decimal: -71.5294444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 371 meters
• Location: Lac-Ministuk; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Plessis
• GPS Coordinate Locator Map: Lac Plessis Lat/Long