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

• Latitude: 58° 26' 46'' North   (decimal: 58.4460205)
• Longitude: 69° 52' 27'' West   (decimal: -69.8740371)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Lavallée
• GPS Coordinate Locator Map: Lac Lavallée Lat/Long