Lac Périnault is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 60° 53' 7'' North   (decimal: 60.8852733)
• Longitude: 74° 33' 45'' West   (decimal: -74.5625580)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Périnault
• GPS Coordinate Locator Map: Lac Périnault Lat/Long