Lac Allongé is a Lake located in Longue-Rive; La Haute-Côte-Nord, Quebec.

• Latitude: 48° 32' 14'' North   (decimal: 48.5372487)
• Longitude: 69° 21' 57'' West   (decimal: -69.3658880)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Longue-Rive; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Allongé
• GPS Coordinate Locator Map: Lac Allongé Lat/Long