Lac de la Porte is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 22' 50'' North   (decimal: 49.3806013)
• Longitude: 72° 21' 48'' West   (decimal: -72.3633810)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac de la Porte
• GPS Coordinate Locator Map: Lac de la Porte Lat/Long