Lac Vivat is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 21' 45'' North   (decimal: 49.3625392)
• Longitude: 72° 10' 58'' West   (decimal: -72.1827963)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Vivat
• GPS Coordinate Locator Map: Lac Vivat Lat/Long